Question

The atomic number of an atom with electronic configuration 2,8,2 is​

Answer 1

Answer: 12

Explanation:

Atomic no is equal to elwctronic configuration

Answer 2

Answer:

Electronic configuration - 2,8,2

Total number of electrons = 2+8+2=12

Since atom is neutral

No. of electron = no. of protons

Atomic number of an element is equal to total number of protons in it.

∴ Atomic number = 12

Explanation:

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