Chemistry, asked by lilarmyuwu, 6 months ago

QUICKKKKKKK! The valency of an element X is 3. It is an electropositive element. It forms salts with halogens. What is it’s atomic number and to which period does it belong to? 

Answers

Answered by hlavaniya525

1

Answer:

Aluminum

Explanation:

element - Aluminium

Atomic number - 13

period -2

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