Answer:
14,
Explanation:
The full electronic configuration of the element is
1s²2s²2p63s²3p²
The total number of electrons = addition of the index
That is number of electrons = 2+2+6+2+2 = 14
Therefore the atomic number of the element is 14.
Name of element with atomic number 14 is Silicon with symbol Si.
Number of electrons in the atom of the element is 14
Number of protons is also = 14
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