Fórmula (química)

The video explains that compounds are made of atoms combined in fixed ratios. It uses sodium chloride (NaCl) as an example, showing it always has one sodium atom for each chlorine atom. The video also describes water (H2O), highlighting that each molecule consists of two hydrogen atoms and one oxygen atom.

What do compounds consist of?

What is the chemical formula for sodium chloride?

How many sodium atoms are present in sodium chloride?

What is the chemical formula of water?

How many hydrogen atoms are combined with oxygen in a water molecule?