Question

10 Name
() three elements that have a single electron in their
outermost shells.
(ii) two elements that have two electrons in their
outermost shells.
(iii) three elements with filled outermost shells. Pg 90​

Answer 1

Answer:

i)hydrogen ,lithium ,sodium

ii)helium ,magnesium

iii)helium,neon,argon

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Answer 2

Answer:

1) hydrogen, sodium,

2) helium ,magnesium

3) helium, neon, argan