Answer briefly IV — task. Science Test Space, Class 8.

Complete the table give below.

Element	Atomic number	Electron distribution	Valence electrons
Lithium		\(1S^2\)\(2S^1\)
Boron		\(1S^2\)\(2S^2\)\(2P^1\)
Oxygen		\(1S^2\)\(2S^2\)\(2P^4\)

Answer variants:

Element	Lewis dot structure
Lithium
Boron
Oxygen

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