An element has atomic number 13. (a) What is the group and period number to which this element belongs? (b) Is this element a metal or a non-metal? Justify your answer.

Periodic Classification Of Elements

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22/11/2020 4:03 pm

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romiroy12

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An element has atomic number 13.

(a) What is the group and period number to which this element belongs?

(b) Is this element a metal or a non-metal? Justify your answer.

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22/11/2020 4:04 pm

Anonymous

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(a) It belongs to group 13 and 3rd period.

(b) It is a metal because it can lose 3 electrons to become stable.

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