Each water molecule, contains _______ hydrogen atoms and one Oxygen atom.
Two
A water molecule has a specific chemical structure represented by the formula $\text{H}_2\text{O}$.
This formula indicates the types and numbers of atoms present in one molecule:
Therefore, each water molecule contains exactly two hydrogen atoms and one oxygen atom.
Which of the following given below is an alloy of mercury?
The chemical symbol of potassium is _______.
In a molecule of water, the ratio of the mass of hydrogen to that of oxygen is:
Which is the element having the highest atomic mass among the following?
_______ alloy consists of nickel, copper and zinc.