Question

An atom of an element has 5 electrons in L shell. What is the atomic number of the element? Find its valency and identify the element and write its name.

Answer 1

Answer:

atomic number : 7

It's valency : 1

element name : nitrogen

Explanation:

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Answer 2

Answer:

an element having 5 electrons in its L shell so first of all else is the second shell of an atom there are four shells letter K L M and N second shell it has five electrons the element is is nitrogen valency is 3 Atomic numbers 7 and the mass no. is 12 and its valancy is 3 and it is a non metal gas