Achemical equation must always be balanced because matter?
a- keeps its original properties
b-it’s never lost or gained
c-cannot change to a different kind of matter
d-is either exothermic or endothermic
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Ответ:
answer:
b- it’s never lost or gained
explanation:
atoms never appear or disappear during chemical reactions.
Ответ:
answer:
a
explanation:
a- keeps its original properties
Ответ:
Bc all of them in the 6th columns