Question

Valency of Potassium and chlorine are respectively. *
1 point
+1 and +1
1 and +2
+1 and -1
-1 and +1​

Answer 1

Answer:

+1 and -1

Explanation:

Potassium - 2,8,8,1 - it needs to lose 1 electron

Chlorine - 2,8,7 - it needs to gain 1 electron

Answer 2

HELLO DEAR,

GIVEN:-Valency of Potassium and chlorine are respectively.

A) 1 and 1

B) 1 and +2

C)+1 and -1

D)-1 and +1

ANSWER:-

Valency :- Valency is the number of hydrogen atoms that combine or displace with another form a compound.One atom of hydrogen combines with one atom of chlorine to form HCl, the valency of chlorine is 1.

And the valency of potassium is 1 because is need to donate 1 electron to attain stability.

Therefore correct option is ,

$\large{A)\: 1 \:and\: 1\:}$

THANKS.