Question

19 x37
find the element X with atomic number 19 and mass number 37
(a) what is the group number of 'X'?
(b) what is the periodic number of 'X'?
(c)how many valence electrons ar there in an atom of X?
(d)what is the valency of X?
(e)is it metal or non metal?
(f)state the number of protons and newtons in X







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Answer 1

The element is potassium the group number of potassium is 1 agay nhi ata hope it helped u a lil bit

Answer 2

Answer:

1) Element X = Potassium

2) Group no. 1

3) Periodic no. 4

4) No. of valence electrons = 1

5) Valency = 1

6) It is a metal.

7) The no. of protons and neutrons are 19.