The element hydrogen is highlighted in the periodic table above. The atomic symbol for hydrogen is H. Each hydrogen atom has one proton in its nucleus. So, hydrogen's atomic number is 1.

Question

The periodic table is organized by the atomic number of each element. Notice that the atomic number increases from left to right along each row.
Use the periodic table to complete these sentences.

The chemical element with the atomic number 14 is ? its atomic symbol is ?

Answer 1

The chemical element with the atomic number 14 is silicon, and its atomic symbol is Si.