D. MATCH THE ENTRIES OF CO
Column B
Column A
1. A molecule of an element.
2. A molecule of a compound.
3. An atom of a metal.
(a) N
(b) Na
(C) N2
(d) NH3
(e) compound
(ñ) elements
4. An atom of a non-metal.
5. A substance containing same type of atoms.
6. A substance in which different elements combine
in a fixed ratio.
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