Atomic structure and the Periodic Table — Paper 1 · IGCSE Science - Combined 0653

40 A radiation detector is placed near a sample of radioactive material and is used to measure the count rate. radioactive material radiation detector The radioactive material is removed but there is still a count rate. Why is this? A It takes a long time for all emissions from the material to reach the detector. B The detector has become radioactive. C The radioactive material has not finished decaying. D There is always some background radiation.

1 marks

Answer: D

This question in 0653/11 Oct/Nov 2005

14 The diagram represents an atom. e key p proton p p p p e n n n n neutron e n n e electron e nucleus What is the nucleon number of this atom? A 2 B 4 C 9 D 13

1 marks

Answer: C

This question in 0653/11 May/June 2006

15 Atoms of four different elements are shown. Which atom contains six neutrons? A 4 He B 6 iL C 11 B D 14 C 2 3 5 6

1 marks

Answer: C

This question in 0653/11 Oct/Nov 2006

17 Which property of an element cannot be predicted from its position in the Periodic Table? A the charge on its ion B the melting point of the element C the metallic / non-metallic character of the element D the number of protons in its nucleus

1 marks

Answer: B

This question in 0653/11 Oct/Nov 2006

18 The diagram shows some elements in Groups Ill, IV and V of the Periodic Table. III IV V Al Si Ga Ge As In Sn Sb Tl Pb Bi Which two elements would be expected to form an oxide of the type XO2? 0 0O WwW > In and Sn x «KX Sn and Pb x < x

1 marks

Answer: C

This question in 0653/11 Oct/Nov 2006

16 The symbols, nucleon numbers and proton numbers of three elements are shown. 7 3Li 9 4Be 14 7N A student is asked to write the nucleon number and proton number of another element. Using the Periodic Table, which two numbers are correct? nucleon number proton number A 18 11 B 18 12 C 23 11 D 47 23

1 marks

Answer: C

This question in 0653/11 May/June 2007

17 Why are noble gases unreactive? A They have a complete outer shell of electrons. B They have an even number of electrons. C They have an even number of shells of electrons. D They have two electrons in the first shell.

1 marks

Answer: A

This question in 0653/11 May/June 2007

16 The numbers of neutrons and protons present in the nuclei of four atoms are shown. number of number of atom neutrons protons 1 11 12 2 12 11 3 13 13 4 13 11 Which two atoms are of the same element? A 1 and 2 B 2 and 3 C 2 and 4 D 3 and 4

1 marks

Answer: C

This question in 0653/11 May/June 2008

40 There are three types of emission from radioactive substances. Which types carry an electric charge? A alpha-particles and beta-particles only B alpha-particles and gamma-rays only C beta-particles and gamma-rays only D all three types

1 marks

Answer: A

This question in 0653/11 May/June 2008

14 The symbol for an atom of neon is 20 10Ne . Which statement about the atom is correct? A It contains half as many neutrons as protons. B It contains twice as many neutrons as protons. C The number of neutrons equals the number of protons. D The total number of neutrons and protons is thirty.

1 marks

Answer: C

This question in 0653/11 Oct/Nov 2008

15 Two atoms have the symbols 40 X and 40 Y . 18 20 It follows that they have the same number of ……1…… and that they form ……2…… bond. Which words correctly complete gaps 1 and 2? 1 2 A neutrons an ionic B neutrons no C nucleons an ionic D nucleons no

1 marks

Answer: D

This question in 0653/11 May/June 2009

40 Which row in the table describes alpha-particles? penetrates 1 cm electric charge of aluminium? A negative yes B negative no C positive yes D positive no

1 marks

Answer: D

This question in 0653/11 Oct/Nov 2010

40 Which row in the table describes alpha-particles? penetrates 1 cm electric charge of aluminium? A negative yes B negative no C positive yes D positive no

1 marks

Answer: D

This question in 0653/13 Oct/Nov 2010

14 An atom is represented by the symbol 19 9 X. How many electrons, neutrons and protons are in this atom? electrons neutrons protons A 9 9 9 B 9 10 9 C 10 10 9 D 19 9 10

1 marks

Answer: B

This question in 0653/11 May/June 2011

16 An atom is represented by the symbol 19 9 X. How many electrons, neutrons and protons are in this atom? electrons neutrons protons A 9 9 9 B 9 10 9 C 10 10 9 D 19 9 10

1 marks

Answer: B

This question in 0653/12 May/June 2011

14 Element X has a nucleon number of 40. The electron arrangement of element X is 2,8,8. Which statements about element X are correct? 1 It has 40 neutrons in its nucleus. 2 It has 2 electrons in its outer shell. 3 It is unreactive. 4 It is in Group 0 of the Periodic Table. A 1 and 2 B 1 and 3 C 2 and 4 D 3 and 4

1 marks

Answer: D

This question in 0653/11 Oct/Nov 2011

15 Element X has a nucleon number of 40. The electron arrangement of element X is 2,8,8. Which statements about element X are correct? 1 It has 40 neutrons in its nucleus. 2 It has 2 electrons in its outer shell. 3 It is unreactive. 4 It is in Group 0 of the Periodic Table. A 1 and 2 B 1 and 3 C 2 and 4 D 3 and 4

1 marks

Answer: D

This question in 0653/12 Oct/Nov 2011

19 A soft metal reacts vigorously with cold water. Which letter shows the position of this metal in the Periodic Table? D C B A

1 marks

Answer: D

This question in 0653/12 Oct/Nov 2011

14 Element X has a nucleon number of 40. The electron arrangement of element X is 2,8,8. Which statements about element X are correct? 1 It has 40 neutrons in its nucleus. 2 It has 2 electrons in its outer shell. 3 It is unreactive. 4 It is in Group 0 of the Periodic Table. A 1 and 2 B 1 and 3 C 2 and 4 D 3 and 4

1 marks

Answer: D

This question in 0653/13 Oct/Nov 2011

20 A soft metal reacts vigorously with cold water. Which letter shows the position of this metal in the Periodic Table? D C B A

1 marks

Answer: D

This question in 0653/13 Oct/Nov 2011

22 The diagram shows the electronic structure of an atom of element X. In which group of the Periodic Table is X, and how many protons does its atom contain? group number number of protons A 3 15 B 3 16 C 5 15 D 5 16

1 marks

Answer: C

This question in 0653/12 May/June 2013

19 A sodium atom has a proton number of 11 and a nucleon number of 23. Which row shows the correct number of protons, neutrons and electrons in the atom of sodium? protons neutrons electrons A 11 11 12 B 11 12 11 C 11 23 11 D 11 23 12

1 marks

Answer: B

This question in 0653/13 Oct/Nov 2013

16 The diagram represents an atom. e key p proton p p p p e n n n n neutron e n n e electron e nucleus What is the nucleon number of this atom? A 2 B 4 C 9 D 13

1 marks

Answer: C

This question in 0653/11 May/June 2014

15 The diagram represents an atom. e key p proton p p p p e n n n n neutron e n n e electron e nucleus What is the nucleon number of this atom? A 2 B 4 C 9 D 13

1 marks

Answer: C

This question in 0653/12 May/June 2014

38 An uncharged metal rod is held by an insulating handle. The rod is brought near to a positively charged sphere. This causes some particles in the rod to move. positively metal rod charged sphere + + + + + + + + + + + insulating handle Which particles in the rod move and in which direction do the particles move? particles that move direction of movement A electrons away from the sphere B electrons towards the sphere C neutrons away from the sphere D protons towards the sphere

1 marks

Answer: B

This question in 0653/12 May/June 2014

15 The diagram represents an atom. e key p proton p p p p e n n n n neutron e n n e electron e nucleus What is the nucleon number of this atom? A 2 B 4 C 9 D 13

1 marks

Answer: C

This question in 0653/13 May/June 2014

15 Fluorine and chlorine are in Group VII of the Periodic Table. Which number increases by eight from fluorine to chlorine? A the number of atoms in one molecule B the number of electrons in one atom C the number of electrons in one molecule D the number of nucleons in one atom

1 marks

Answer: B

This question in 0653/11 May/June 2015

16 Fluorine and chlorine are in Group VII of the Periodic Table. Which number increases by eight from fluorine to chlorine? A the number of atoms in one molecule B the number of electrons in one atom C the number of electrons in one molecule D the number of nucleons in one atom

1 marks

Answer: B

This question in 0653/12 May/June 2015

16 Fluorine and chlorine are in Group VII of the Periodic Table. Which number increases by eight from fluorine to chlorine? A the number of atoms in one molecule B the number of electrons in one atom C the number of electrons in one molecule D the number of nucleons in one atom

1 marks

Answer: B

This question in 0653/13 May/June 2015

16 Element Y has a proton number of 18 and a nucleon number of 40. Which statements about element Y are correct? 1 It has 40 neutrons in its nucleus. 2 It has 22 electrons. 3 It is unreactive. 4 It is in Group 0 of the Periodic Table. A 1 and 2 B 2 and 3 C 2 and 4 D 3 and 4

1 marks

Answer: D

This question in 0653/11 Oct/Nov 2015

16 Element Y has a proton number of 18 and a nucleon number of 40. Which statements about element Y are correct? 1 It has 40 neutrons in its nucleus. 2 It has 22 electrons. 3 It is unreactive. 4 It is in Group 0 of the Periodic Table. A 1 and 2 B 2 and 3 C 2 and 4 D 3 and 4

1 marks

Answer: D

This question in 0653/12 Oct/Nov 2015

16 Element Y has a proton number of 18 and a nucleon number of 40. Which statements about element Y are correct? 1 It has 40 neutrons in its nucleus. 2 It has 22 electrons. 3 It is unreactive. 4 It is in Group 0 of the Periodic Table. A 1 and 2 B 2 and 3 C 2 and 4 D 3 and 4

1 marks

Answer: D

This question in 0653/13 Oct/Nov 2015

15 The positions of elements P, Q, R, S and T in the Periodic Table are shown. The letters are not the symbols for the elements. I II III IV V VI VII VIII P Q R S T Which element forms an ionic compound with element P? A Q B R C S D T

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Answer: B

This question in 0653/12 May/June 2016

16 Which particle has the smallest mass? A atom B electron C neutron D proton

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Answer: B

This question in 0653/11 Oct/Nov 2016

16 Which number determines the order of elements in the Periodic Table? A neutron number B nucleon number C proton number D relative atomic mass

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Answer: C

This question in 0653/13 Oct/Nov 2016

24 Period 3 of the Periodic Table is shown. Na Mg Al Si P S Cl Ar Which statement about these elements is correct? A All the elements are metals. B All the elements are non-metals. C Metallic character decreases from Na to Ar. D Proton number decreases from Na to Ar.

1 marks

Answer: C

This question in 0653/13 Oct/Nov 2016

16 The atomic (proton) number of potassium is 19. The mass (nucleon) number of potassium is 39. Which statement describes a neutral atom of potassium? A It contains 19 electrons and 20 neutrons. B It contains 19 electrons and 39 neutrons. C It contains 20 electrons and 19 neutrons. D It contains 39 electrons and 19 neutrons.

1 marks

Answer: A

This question in 0653/12 Feb/March 2017

16 A neutral atom of chlorine contains 17 electrons and 18 neutrons. What is the atomic (proton) number and what is the mass (nucleon) number of this atom? atomic number mass number A 17 35 B 17 52 C 18 35 D 18 52

1 marks

Answer: A

This question in 0653/12 May/June 2017

16 A neutral atom of chlorine contains 17 electrons and 18 neutrons. What is the atomic (proton) number and what is the mass (nucleon) number of this atom? atomic number mass number A 17 35 B 17 52 C 18 35 D 18 52

1 marks

Answer: A

This question in 0653/13 May/June 2017

23 Which statement describes the arrangement of elements from sodium to argon in the Periodic Table? A They are in neutron number order and change from metallic to non-metallic. B They are in neutron number order and change from non-metallic to metallic. C They are in proton number order and change from metallic to non-metallic. D They are in proton number order and change from non-metallic to metallic.

1 marks

Answer: C

This question in 0653/13 Oct/Nov 2017

14 Which statement about atoms and molecules is correct? A Atoms gain or lose electrons to become molecules. B Atoms of the same element contain the same number of molecules. C Molecules are the simplest unit of an atom. D Molecules contain atoms which are covalently bonded.

1 marks

Answer: D

This question in 0653/12 Feb/March 2018

17 The atomic number of argon is 18. The mass number of argon is 40. How many protons, neutrons and electrons are there in an argon atom? protons neutrons electrons A 18 18 22 B 18 22 18 C 22 18 18 D 22 18 22

1 marks

Answer: B

This question in 0653/12 Feb/March 2018

17 Which statement about the formation of ions is correct? A Anions are formed when atoms gain electrons. B Anions are formed when atoms lose electrons. C Cations are formed when atoms gain protons. D Cations are formed when atoms lose protons.

1 marks

Answer: A

This question in 0653/12 May/June 2018

23 Part of the Periodic Table is shown. I II III IV V VI VII VIII V W X Which element forms an anion and which element forms a cation? forms an anion forms a cation A V W B V X C W V D X W

1 marks

Answer: C

This question in 0653/12 May/June 2018

23 Part of the Periodic Table is shown. I II III IV V VI VII VIII V W X Which element forms an anion and which element forms a cation? forms an anion forms a cation A V W B V X C W V D X W

1 marks

Answer: C

This question in 0653/13 May/June 2018

16 The atomic number of element X is 11. The mass number of element X is 23. Which statement about an atom of X is correct? A It contains 12 nucleons in the nucleus and 11 orbiting electrons. B It contains 12 nucleons in the nucleus and 11 orbiting protons. C It contains 23 nucleons in the nucleus and 11 orbiting electrons. D It contains 23 nucleons in the nucleus and 11 orbiting protons.

1 marks

Answer: C

This question in 0653/12 Oct/Nov 2018

16 P, Q and R are three particles. Particle P contains 6 protons, 6 neutrons and 6 electrons. Particle Q contains 1 proton, 2 neutrons and no electrons. Particle R contains 11 protons, 12 neutrons and 10 electrons. Which row about P, Q and R is correct? P Q R A has atomic number 6 has a mass number of 2 has a positive charge B has no overall electrical charge has an atomic number of 1 has a mass number of 23 C is a carbon atom is a nucleus has a negative charge D is a carbon nucleus has a positive charge is a particle of sodium

1 marks

Answer: B

This question in 0653/11 Oct/Nov 2019

16 Which row describes the fluorine atom, 19 F ? 9 number of number of number of protons neutrons electrons A 9 9 10 B 9 10 9 C 10 9 10 D 10 19 9

1 marks

Answer: B

This question in 0653/12 Oct/Nov 2019

16 Which row describes the fluorine atom, 19 F ? 9 number of number of number of protons neutrons electrons A 9 9 10 B 9 10 9 C 10 9 10 D 10 19 9

1 marks

Answer: B

This question in 0653/13 Oct/Nov 2019

15 Some information about a sodium ion is shown. proton nucleon number of number of number of particle number number protons neutrons electrons Na+ 11 23 11 X Y What are the values of X and Y? X Y A 11 10 B 11 11 C 12 10 D 12 11

1 marks

Answer: C

This question in 0653/12 Feb/March 2020

37 An uncharged metal ball becomes negatively charged. Which particles have been transferred to the ball? A atoms B electrons C neutrons D protons

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Answer: B

This question in 0653/12 Feb/March 2021

16 Which statement about the particles is correct? A 1 1H has the same number of protons as neutrons. B 2 H + has the same number of electrons as neutrons. 1 C OH– contains more protons than electrons. D NH3 has the same number of protons as electrons.

1 marks

Answer: D

This question in 0653/12 May/June 2021

16 The atomic number of argon is 18. The mass number of argon is 40. How many protons, neutrons and electrons are in an argon atom? protons neutrons electrons A 18 22 18 B 18 22 22 C 22 18 18 D 22 18 22

1 marks

Answer: A

This question in 0653/12 Feb/March 2022

14 Which particles are present in the nuclei of hydrogen atoms, H? 1 1 A electrons and neutrons B electrons only C protons and neutrons D protons only

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Answer: D

This question in 0653/11 Oct/Nov 2022

14 An atom of aluminium and an atom of fluorine are represented as shown. 13Al 19 27 9F Which statement is not correct? A The aluminium atom contains four more electrons than the fluorine atom. B The aluminium atom contains four more protons than the fluorine atom. C The aluminium atom contains eight more neutrons than the fluorine atom. D The aluminium atom contains eight more nucleons than the fluorine atom.

1 marks

Answer: C

This question in 0653/12 Oct/Nov 2022

14 An atom of aluminium and an atom of fluorine are represented as shown. 13Al 19 27 9F Which statement is not correct? A The aluminium atom contains four more electrons than the fluorine atom. B The aluminium atom contains four more protons than the fluorine atom. C The aluminium atom contains eight more neutrons than the fluorine atom. D The aluminium atom contains eight more nucleons than the fluorine atom.

1 marks

Answer: C

This question in 0653/13 Oct/Nov 2022

15 What is the relative mass of a proton and the relative charge on a proton? relative mass relative charge A 0.0005 +1 B 0.0005 –1 C 1 –1 D 1 +1

1 marks

Answer: D

This question in 0653/11 May/June 2023

15 What is the definition of nucleon number? A the number of protons in an atom B the number of electrons in an atom C the total number of electrons and neutrons in an atom D the total number of neutrons and protons in an atom

1 marks

Answer: D

This question in 0653/12 May/June 2023

15 The nucleon number of an atom of chlorine is 35. Which statement about this atom is correct? A It contains the same number of neutrons as electrons. B It contains the same number of protons as neutrons. C It contains the same number of protons as electrons. D The numbers of protons, neutrons and electrons are all different from each other.

1 marks

Answer: C

This question in 0653/13 May/June 2023

16 The nucleon number (mass number) is the total number of … 1 … and … 2 … in the nucleus of an atom. Which words complete this sentence? 1 2 A protons neutrons B protons electrons C neutrons electrons D neutrons shells

1 marks

Answer: A

This question in 0653/11 May/June 2024

22 What is the electronic structure of a noble gas? A 2 B 2,1 C 2,8,2 D 2,8,7

1 marks

Answer: A

This question in 0653/12 Oct/Nov 2024

22 What is the electronic structure of a noble gas? A 2 B 2,1 C 2,8,2 D 2,8,7

1 marks

Answer: A

This question in 0653/13 Oct/Nov 2024

15 Which row describes the fluorine atom 19 F? 9 number of number of number of protons neutrons electrons A 9 9 10 B 9 10 9 C 10 9 10 D 10 19 9

1 marks

Answer: B

This question in 0653/12 Feb/March 2025

18 Which property is used to arrange elements in order in the Periodic Table? A the number of neutrons in each atom B the number of neutrons + protons in each atom C the number of protons in each atom D the number of protons + electrons in each atom

1 marks

Answer: C

This question in 0653/12 Feb/March 2025

22 Which number determines the order of elements in the Periodic Table? A neutron number B nucleon number C proton number D relative atomic mass

1 marks

Answer: C

This question in 0653/11 May/June 2025

14 What is the nucleon number of an atom? A the total number of protons, neutrons and electrons B the total number of protons and neutrons C the number of protons only D the number of neutrons only

1 marks

Answer: B

This question in 0653/11 Oct/Nov 2025

15 Which electronic configurations represent noble gases? W X Y Z A W and Y B W and Z C X and Y D X and Z

1 marks

Answer: A

This question in 0653/11 Oct/Nov 2025

14 Element Y has a proton number of 18 and a nucleon number of 40. Which statements about an atom of element Y are correct? 1 It has 40 neutrons in its nucleus. 2 It has 22 electrons. 3 It is unreactive. 4 It is in Group VIII of the Periodic Table. A 1 and 2 B 2 and 3 C 2 and 4 D 3 and 4

1 marks

Answer: D

This question in 0653/12 Oct/Nov 2025

14 Element Y has a proton number of 18 and a nucleon number of 40. Which statements about an atom of element Y are correct? 1 It has 40 neutrons in its nucleus. 2 It has 22 electrons. 3 It is unreactive. 4 It is in Group VIII of the Periodic Table. A 1 and 2 B 2 and 3 C 2 and 4 D 3 and 4

1 marks

Answer: D

This question in 0653/13 Oct/Nov 2025