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?
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1
Explanation:
Element - Aluminum
Period 2
Atomic Number - 13
Answered by
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Explanation:
ELEMENT ALUMINIUM
PERIOD 2
ATOMIC NUMBER 13
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