Question

An element L has 9 protons and its valency is 1.
Another element M has valency 3 and 5. What is the
difference in the number of electrons in L and M?

Answer 1

Answer:

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Explanation:

Elements with 9 protons is fluorine and it contain an electron so it valency cell contains our control switch valency is one

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Answer 2

Answer:

answer is 6

Explanation:

9-3 = 5+1 = 6