Ions

Front

What are ions?

Back

Ions are charged particles that form when atoms gain or lose electrons.

Front

Which group of elements does NOT form ions?

Back

Group 8 - Noble Gases.

Front

What is the charge of an ion formed by losing electrons?

Back

Positive.

Front

What is the charge of an ion formed by gaining electrons?

Back

Negative.

Front

What is the symbol for a Bromine ion that gains 1 electron?

Back

Br⁻¹.

Front

What is the ion formed from Sulfur?

Back

S²⁻.

Front

How many electrons does a Calcium ion lose?

Back

Calcium loses 2 electrons.

Front

What is the charge of a Sodium ion?

Back

Na⁺ (loses 1 electron, charge +1).

Front

What happens to the charge of an atom when it gains electrons?

Back

The charge becomes negative.

Front

What is the ion formed from Magnesium?

Back

Mg²⁺ (loses 2 electrons).