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Select all that are compounds. H2O CH4 He O2 NaCl
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21 votes
Select all that are compounds.
H2O
CH4
He
O2
NaCl

User CocoaUser
by
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2 Answers

9 votes
NaCL , H2O ...........
User Rosmee
by
4.9k points
4 votes

Answer:

NaCl, H2O

Step-by-step explanation:

Compounds are substances that contain atoms of two or more different elements.

User The Maniac
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