Question

Q1. An atom of an element X has a mass number of 27 and an atomic number of 13.
Show how the atomic number and mass number of the element can be represented?
Determine the number of protons, neutrons and electrons in the atom.
Draw the electron structure of the atom.
Write the electronic configuration of the atom.
What is the valency of this element X?
What is the name of the element X?

Answer 1

Explanation:

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Answer 2

Answer:

name of the element is Aluminium.

the valence of element is 3.

the electronic configuration is 2,8,3.

the proton and electron is 13 and neutron is 14.