Question

from the elements -He , Br, Pt and O ; the element which forms a polyatomic molecule is _____ and which at room temperature is______​

Answer 1

Answer:

From the elements He,Br,Pt and O;the element which forms a polyatomic molecule is _and which is liquid at room temperature is_ Oxygen forms polyatomic molecules like carbonate, sulphate etc and bromine is a liquid element.

Explanation:

Thank you

Answer 2

Answer:

first blank O and second blank Br

Explanation:

Because O combines to form polyatomic molecules and Br is a metalloid which is liquid at room temperature