Ions and ionic bonds — Paper 2 · IGCSE Physical Science 0652

3 Which statement describes the formation of the bonds in magnesium chloride? A Chlorine atoms transfer electrons to magnesium atoms forming an ionic bond. B Magnesium atoms and chlorine atoms share a pair of electrons forming a covalent bond. C Magnesium atoms transfer electrons to chlorine atoms forming a covalent bond. D Magnesium atoms transfer electrons to chlorine atoms forming an ionic bond.

1 marks

Answer: D

This question in 0652/21 Oct/Nov 2017

5 The formula of a gallium ion is Ga3+. The formula of a sulfate ion is SO4 2–. What is the formula of gallium sulfate? A GaSO4 B Ga2SO3 C Ga2(SO4)3 D Ga3(SO4)2

1 marks

Answer: C

This question in 0652/21 Oct/Nov 2017

3 Which statement describes the formation of the bonds in magnesium chloride? A Chlorine atoms transfer electrons to magnesium atoms forming an ionic bond. B Magnesium atoms and chlorine atoms share a pair of electrons forming a covalent bond. C Magnesium atoms transfer electrons to chlorine atoms forming a covalent bond. D Magnesium atoms transfer electrons to chlorine atoms forming an ionic bond.

1 marks

Answer: D

This question in 0652/22 Oct/Nov 2017

3 Which statement describes how an ionic compound is formed from two elements? A A pair of electrons is shared between a metal and a non-metal. B A pair of electrons is shared between two non-metals. C Electrons are transferred from a metal to a non-metal. D Electrons are transferred from a non-metal to a metal.

1 marks

Answer: C

This question in 0652/21 Oct/Nov 2018

6 An ionic compound has the formula Ga2S3. What are the formulae of the ions? A Ga2– and S3+ B Ga3– and S2+ C Ga2+ and S2– D Ga3+ and S2–

1 marks

Answer: D

This question in 0652/21 Oct/Nov 2018

3 Which statement describes how an ionic compound is formed from two elements? A A pair of electrons is shared between a metal and a non-metal. B A pair of electrons is shared between two non-metals. C Electrons are transferred from a metal to a non-metal. D Electrons are transferred from a non-metal to a metal.

1 marks

Answer: C

This question in 0652/22 Oct/Nov 2018

6 An ionic compound has the formula Ga2S3. What are the formulae of the ions? A Ga2– and S3+ B Ga3– and S2+ C Ga2+ and S2– D Ga3+ and S2–

1 marks

Answer: D

This question in 0652/22 Oct/Nov 2018

3 Magnesium oxide is a compound formed from a metal and a non-metal. Which statement describes the bonding in magnesium oxide? A Magnesium and oxygen atoms share their outer shell electrons. B Magnesium atoms gain electrons and oxygen atoms lose electrons. C Magnesium atoms lose electrons and oxygen atoms gain electrons. D The magnesium atoms and oxygen atoms both gain electrons.

1 marks

Answer: C

This question in 0652/21 Oct/Nov 2019

3 Magnesium oxide is a compound formed from a metal and a non-metal. Which statement describes the bonding in magnesium oxide? A Magnesium and oxygen atoms share their outer shell electrons. B Magnesium atoms gain electrons and oxygen atoms lose electrons. C Magnesium atoms lose electrons and oxygen atoms gain electrons. D The magnesium atoms and oxygen atoms both gain electrons.

1 marks

Answer: C

This question in 0652/22 Oct/Nov 2019

5 Which diagram represents the structure of an ionic compound? A B C D – + + + + e– + + e– e– e– e– e– e– e– + – + + + + + e– e– e– e– e– + – + + e– + e– + + – +

1 marks

Answer: A

This question in 0652/21 Oct/Nov 2020

6 Potassium nitride is an ionic compound. The charges on its ions are shown. K+ N3– What is the formula of potassium nitride? A KN B K2N C K3N D KN3

1 marks

Answer: C

This question in 0652/22 Oct/Nov 2020

4 The table shows the electronic structure of four atoms from four different elements. The letters shown are not the symbols of the elements. atom J K L M electronic structure 2,8,1 2,7 2,8 2,1 Which atoms combine with chlorine to form an ionic compound? A J and M B J only C K only D L and M

1 marks

Answer: A

This question in 0652/21 Oct/Nov 2021

5 Which statement about solid sodium chloride is correct? A It contains negative ions formed by the gain of electrons by sodium atoms. B It has a lattice structure with alternating positive and negative ions. C There are strong attractions between sodium atoms and chlorine atoms. D There are weak attractions between oppositely charged ions.

1 marks

Answer: B

This question in 0652/21 Oct/Nov 2024