To complete the table for Nitrogen:
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The atomic number of nitrogen is 7, which means it has 7 protons.
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The mass number is given as 14. The mass number is the sum of protons and neutrons. Since nitrogen has 7 protons, the number of neutrons can be calculated as follows:
\[ \text{Neutrons} = \text{Mass Number} - \text{Protons} = 14 - 7 = 7 \]
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In a neutral atom, the number of electrons is equal to the number of protons. Thus, nitrogen has 7 electrons.
Putting this all together, here's the completed row for Nitrogen:
| Name of Element | Element Symbol | Mass Number | Atomic Number | Protons | Neutrons | Electrons | |------------------|----------------|-------------|---------------|---------|----------|-----------| | Nitrogen | N | 14 | 7 | 7 | 7 | 7 |