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8 votes
CO2

NaCl
HCl

These may all be classified as
A) elements and compounds.
B) elements and molecules
C) elements and pure substances.
D) compounds and pure substances

asked
User MackieeE
by
8.0k points

1 Answer

9 votes
B elements

thank you

your welcome

wozmain
answered
User Masquerade
by
8.5k points

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