Ionic compounds - Eduqas

1

How does a non-metal form ions?

2

Why do metal ions have a positive charge?

3

Sulfur is in group 6 of the periodic table. What charge will a sulfide ion have?

4

Calcium has an atomic number of 20. It is a metal that forms an ion with +2 charge. How many electrons does a calcium ion have?

5

Metal and non-metal ions come together to form a giant structure. What is the name of this structure?

6

What holds the ions together in an ionic solid?

7

What is the approximate melting point of the ionic compound, sodium chloride?

8

Why do ionic compounds have high melting points?

9

What happens to the ions when an ionic substance is melted?

10

When can ionic compounds conduct electricity?