Complete the following table for a neutral atom of each element:
Name of the Element | Symbol | Atomic Number | Mass Number | Number of protons | Number of Neutrons | Number of Electrons |
| N |
| 15 |
|
|
|
Calcium |
|
| 42 |
|
|
|
|
|
|
| 38 | 50 |
|
|
| 14 |
|
| 16 |
|
|
| 56 | 138 |
|
|
|
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