Science, asked by nimmyvarghese16, 8 months ago

if an element x has atomic number 19 then the valency of this element is

a.4
b.1
c.9
d.7

Answers

Answered by Anonymous

0

Answer:

1 valency...............

...

Answered by prskoranga

2

Answer:

c. 9

Explanation:

X= 19, so 19-10=9

###

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