Question

Find the number of protons, neutrons and electrons present in an atom ‘X' having Z=13 and A=27. Name the element 'X'. Write its electronic configuration and valency. Draw the structure of the atom 'X'.​

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Answer 1

Answer:

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Explanation:

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Atomic number -Z=13.

mass number is 27

Element is represented by 27 Al₁3

Element is aluminum . Number of protons=13 Mass number=number of protons + number of protons

Number of neutrons So, Number of neutrons-Mass number -

=27-13

=14 neutrons

electronic configuration: 1s 2s 2p 3s 3p¹

Electrons arranged in Shells are shown

in attachment:r