Question

if a neutral atom has two shells completly filled up, then atomic number of the atom is what​

Answer 1

Answer:

Answer is 10

Explanation:

two shells, both of which are completely filled with electrons: Only noble gas elements has completely filled orbitals. Neon(10)=2,8 has two shells, both of which are completely filled with electrons.

The atomic number is 10

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Answer 2

Answer:

atomic number is = no. of protons

Explanation:

atomic number is = no. of protons