Chemical bonding 2

Front

What is the formula of potassium bromide?

Back

KBr

Front

What is the formula of calcium chloride?

Back

CaCl₂

Front

What is the formula of sodium sulfide?

Back

Na₂S

Front

When writing the chemical formula of an ionic compound, which symbol goes first?

Back

The metal

Front

Metals have a tendency to...

Back

Lose electrons

Front

Non-metals have a tendency to ...

Back

Gain electrons

Front

What type of compound contains only non-metals?

Back

Covalent compound

Front

Which covalent molecule has one lone pair only? Options: Water, Hydrogen gas, Ammonia, Methane

Back

Ammonia

Front

A "lone pair" is ...

Back

A pair of electrons that are not involved in a bond

Front

How many electrons are shared in a single bond?

Back

2