Ionic compounds - Edexcel

1

What happens when a calcium atom forms an ion with a 2+ charge?

2

What kind of ions are usually formed by metals?

3

Which of the following atomic structures represents a positive ion?

4

What happens when sodium and chlorine atoms form sodium chloride?

5

What is the electronic configuration of the fluoride ion (charge = 1-) made from a fluorine atom with an atomic number of 9 and a mass number of 19?

6

Why do ionic compounds usually have high melting points?

7

When does magnesium chloride conduct electricity?

8

What kind of structure is formed in solid potassium chloride?

9

What will be the formula of an ionic compound formed from calcium and oxygen?

10

Which of the following compounds contains three elements?