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Ionic, covalent and metallic bonding

10th grade (Year 11 in England) · 16 questions · Common Core: NGSS.HS-PS1-1, NGSS.HS-PS1-3 · England: KS4 Combined Science: Structure, bonding and the properties of matter

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1
Question 1
What is the charge on a magnesium ion?
- A. −2
- B. +2
- C. −1
- D. +1
2
Question 2
What type of bonding is in methane (CH₄)?
- A. ionic
- B. covalent
- C. metallic
3
Question 3
Bonding: which statement is NOT true?
- A. Diamond is a giant covalent structure and is very hard.
- B. Water has a high boiling point because its covalent bonds are weak.
- C. Metals conduct electricity because they have delocalised electrons.
- D. Simple covalent substances such as water have low melting and boiling points.
4
Question 4
What is the charge on a magnesium ion?
- A. −1
- B. +2
- C. +1
- D. +3
5
Question 5
What type of bonding is in aluminium (aluminum)?
- A. ionic
- B. covalent
- C. metallic
6
Question 6
Bonding: which statement is NOT true?
- A. Simple covalent substances such as water have low melting and boiling points.
- B. In covalent bonds, electrons are transferred from one atom to another.
- C. Ionic compounds have high melting points.
- D. Metals conduct electricity because they have delocalised electrons.
7
Question 7
What is the charge on a magnesium ion?
- A. −2
- B. +3
- C. +2
- D. +1
8
Question 8
What type of bonding is in water (H₂O)?
- A. ionic
- B. covalent
- C. metallic
9
Question 9
Bonding: which statement is NOT true?
- A. Diamond is a giant covalent structure and is very hard.
- B. Metals conduct electricity because they have delocalised electrons.
- C. Simple covalent substances such as water have low melting and boiling points.
- D. In covalent bonds, electrons are transferred from one atom to another.
10
Question 10
What is the charge on a magnesium ion?
- A. +3
- B. +2
- C. −1
- D. +1
11
Question 11
What type of bonding is in sodium chloride (NaCl)?
- A. ionic
- B. covalent
- C. metallic
12
Question 12
Bonding: which statement is NOT true?
- A. Simple covalent substances such as water have low melting and boiling points.
- B. Metals conduct electricity because they have delocalised electrons.
- C. Diamond is a giant covalent structure and is very hard.
- D. In covalent bonds, electrons are transferred from one atom to another.
13
Question 13
What is the charge on a aluminium (aluminum) ion?
- A. +2
- B. −2
- C. +1
- D. +3
14
Question 14
What type of bonding is in magnesium oxide (MgO)?
- A. ionic
- B. covalent
- C. metallic
15
Question 15
Bonding: which statement is NOT true?
- A. Ionic compounds have high melting points.
- B. Simple covalent substances such as water have low melting and boiling points.
- C. Solid sodium chloride conducts electricity.
- D. Diamond is a giant covalent structure and is very hard.
16
Question 16
What is the charge on a aluminium (aluminum) ion?
- A. +2
- B. −1
- C. +3
- D. −2

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Answer key: Ionic, covalent and metallic bonding

1. B. +2
2. B. covalent
3. B. Water has a high boiling point because its covalent bonds are weak.
4. B. +2
5. C. metallic
6. B. In covalent bonds, electrons are transferred from one atom to another.
7. C. +2
8. B. covalent
9. D. In covalent bonds, electrons are transferred from one atom to another.
10. B. +2
11. A. ionic
12. D. In covalent bonds, electrons are transferred from one atom to another.
13. D. +3
14. A. ionic
15. C. Solid sodium chloride conducts electricity.
16. C. +3