Question

First 30 elements of periodic table with atomic weight and electronic configuration

Answer 1

Answer:

Explanation:

All of these shells are filled except the 3p shell which has four electrons. Therefore, the electronic configuration of sulfur can be written as 1s2 2s2 2p6 3s2 3p4.

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Electronic Configuration of First 30 Elements with Atomic Numbers.

Atomic Number Name of the Element Electronic Configuration

1 Hydrogen (H) 1s1

2 Helium (He) 1s2

3 Lithium (Li) [He] 2s1

4 Beryllium (Be) [He] 2s2