Question

$\huge{hy \: users}$

give the colvancey of 1st 20 elements i'll sure mark ur ans as brainliest ans..

don't be silly ans.
nd don't spamming.❎

Answer 1

Here is your answer

Covaleny :-combination capacity of an element is called covaleny.

[A.n] [s] [c.v]

$1.\: H \:\: Hydrogen \: 1 \\ 2. \: He\: \: Helium \: 0 \\ 3. \: Li \:\: Lithium \: 1 \\ 4. \: Be\: \: Beryllium \: 2 \\ 5. \: B\: \: Boron \: 3 \\ 6. \: C\: \: Carbon \: 4 \\ 7. \: N\: \: Nitrogen \: 3 \\ 8. \: O\: \: Oxygen \: 2 \\ 9. \: F\: \: Fluorine \: 1 \\ 10. \: Ne\: \: Neon \: 0 \\ 11. \: Na\: \: Sodium \: 1 \\ 12. \: Mg\: \: Magnesium \: 2 \\ 13. \: Al\: \: Aluminum \: 3 \\ 14. \: Si\: \: Silicon \: 4 \\ 15. \: P\: \: Phosphorus \: 3 \\ 16. \: S\: \: Sulphur \: 2 \\ 17. \: Cl\: \: Chlorine \: 1 \\ 18. \: Ar\: \: Argon\: 0 \\ 19. \: K\: \: Potassium 1 \\ 20. \: Ca\: \: Calcium 2$

Note:-

A.n. - atomic number of element

S- symbol of element

c.v- covaleny of elements

Covalency of element never negative only positive.

covelency can only 1,2,3,4

But charge of element can negative or positive.

I hope it helps you ✌

Answer 2

The covalency of an element is always calculated.

It is defined as the number of covalent bonds, an element can make.
OR
the number of electrons contributed by an element in a covalent bond.

To calculate it,

step 1: write the electronic configuration of the element.

step 2: Transfer an electron from a fully filled orbital to make it half filled ONLY in outer most subshell.

Calculation: The number of unpaired electron is the covalency.