Chemistry, asked by sadhuchanda299, 2 days ago

An element X has 3 electrons in its outermost shell. The element has 13 protons.Draw the electronic configuration of X. Write the formula of X with an element Z which has valency-2 and has the same number of shells as X.If both X and Z have the same number of neutrons as their respective number of protons, which has greater mass and why?

Answers

Answered by mohinsharma628

1

Explanation:

osos dnsjjdjxndhdjdjdjdhhdd

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Answered by nishaarya495

2

Answer:

answer is in picture so please see and mark me as brainliest

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