Compound is a pure substance where atoms of two or more elements are chemically bonded togather
N2 stands for nitrogen.
this compound also includes the exact mass.
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please note- I didn't quite understand the question fully.
-Diane
My answer will be B and D
The correct option is GROUP 17.
The group 17 of the periodic table is made up of halogens. Halogens is the family name for fluorine, chlorine, bromine, iodine and all the other elements that are found in group 17. Some of the elements in this group are gases, some are liquids while others are solids.