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Mkey [24]
3 years ago
15

What is the electronic Configurationof the first 20 elements.​

Geography
1 answer:
koban [17]3 years ago
5 0

Explanation:

The following table summarizes the ground state electron configuration of the first 20 elements on the periodic table.

...

ATOMIC STRUCTURE. 3.4 - Electron Configurations of Atoms.

Name Atomic Number Electron Configuration

Argon 18 1s2 2s22p63s23p6

Period 4

Potassium 19 1s2 2s22p63s23p64s1

Calcium 20 1s2 2s22p63s23p64s2

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