Liquid is one type of states of matter. The property of liquid is...

Mothballs in our toilets and cupboards can change directly from solid into gas. This type of phase change is called...

When we look at the particles in gas, the distance are...

The volume measured in the measuring cylinder below/above is... cm³

We can turn CO₂ gas (Carbon dioxide) into solid (also known as dry ice) by manipulating 2 parameters, which are...

The process of water transport from organism into the atmosphere is called...

In the universe, there are ... elements which consist of ... natural and ..synthetic elements.

In the periodic table, elements with similar characteristic is put in the same...

Calcium carbonate (CaCO₃) is a well-known compound usually used in chalks and cement mixtures. By looking at the elements in that compound, we can know it's a/an ... compound.

The correct name for PCl₃ is...

From substance below, which one is considered a mixture?

Air is one example of a mixture. In air, the most dominant composition is...