Chemistry, asked by nishapathak58, 5 months ago

write the name of elements symbol, valency,valence electron and electronic configuration of element whose atomic number from 1 to 25​

Answers

Answered by renusheeyaom
0

Answer:

Hydrogen

Helium

Lithium

Beryllium

Boron

Carbon

Nitrogen

Oxygen

Fluorine

Neon

Sodium

Magnesium

Aluminium

Silicon

Phosphorus

Sulphur

Chlorine

Argon

Potassium

Calcium

Scandium

Titanium

Vanadium

Chromium

Manganese

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