Question

valence electrons of 1st 30 elements??​

Answer 1

Answer:

Valency of First 30 Elements

Element Atomic Number Valency

Valency of Hydrogen 1 1

Valency of Helium 2 0

Valency of Lithium 3 1

Valency of Beryllium 4 2

Answer 2

Valency of Hydrogen 1

Valency of Helium 0

Valency of Lithium 1

Valency of Beryllium 2

Valency of Boron 3

Valency of Carbon 4

Valency of Nitrogen 3

Valency of Oxygen 2

Valency of Fluorine 1

Valency of Neon 0

Valency of Sodium (Na) 1

Valency of Magnesium (Mg) 2

Valency of Aluminium 3

Valency of Silicon 4

Valency of Phosphorus 3

Valency of Sulphur 2

Valency of Chlorine 1

Valency of Argon 0

Valency of Potassium (K) 1

Valency of Calcium 2

Valency of Scandium 3

Valency of Titanium 4

Valency of Vanadium 5,4

Valency of Chromium 2

Valency of Manganese 7, 4, 2

Valency of Iron (Fe) 2, 3

Valency of Cobalt 3, 2

Valency of Nickel 2

Valency of Copper (Cu) 2, 1

Valency of Zinc 2