Science, asked by lakshaydabas504, 5 months ago

How many electrons, protons, neutrons were there In an element 19/9 X? What will be the valency of this element?

Answers

Answered by baijumathew75

2

Answer:

The electronic configuration of X is 2 , 7. The valency will be 8 - 7 = 1

Explanation:

u know the drill right so pls do so

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