Question

the element placed in the extreme left of the modern periodic table
1) boron
2) chlorine
3) potassium
4) platinum
5)radon
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Answer 1

Answer:

the element placed in the extreme left of the modern periodic table:Pottasium

Answer 2

Answer:

Solution :

C: Potassium

A: Boron

B: Chlorine

E: Radon

D: Platinum