what is the chemical formula for this molecule?\ncomplete the formula below:\nh□o□

Answer:

$H_2O$

Explanation:

Step1: Identify atom types

The red atom is oxygen (O) and the light - blue atoms are hydrogen (H).

Step2: Count atom numbers

There are 2 hydrogen atoms and 1 oxygen atom.

Step3: Write chemical formula

We write the number of each atom as a sub - script. So the formula is $H_2O$.