Chemistry, asked by vedika513297, 5 months ago

2)An element has electronic configuration 2,8,8,1. Answer the questions given below?
1) What is the atomic number of this element?
ii) Which group does this element belong to? Why?
iii) To which period does this belong? Why?

Answers

Answered by saniafaridi5gmailcom

2

Answer:

1) 19

2) group 1

3) period 4 because it react rapidly with atmosphere

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