Question

an element has atomic number 13 what is the group and period number to which this element belongs is this element and metal or nonmetal justify your answer
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Answer 1

Atomic No. = 13

Group No. = 13

Period No. = 3

Element = Aluminium

It is a metal as it belongs to Thirteenth group.

Answer 2

Answer:

atomic number= 13

therefore, group and period= 13

Explanation: This element is aluminium because the atomic number is 13. It is a metal because it is in 13th group.

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