Question

5 question answer pls

Answer 1

fluorine is most reactive non metal.
helium is smallest by size
By mass hydrogen is smallest.
fluorine is most electronegative atom

Answer 2

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a. The atom having the smallest size :

Hydrogen (H2)

b. The atom having the smallest atomic mass :

Hydrogen (H2)

c. The most electronegative atom :

Fluorine (F2)

d. The noble gas with the smallest atomic nucleus :

Helium (He)

e. The most reactive nonmetal :

Fluorine (F2)

Hope it helps!

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