plzz answer this today i have exam !!!
help me!
30th one
second bit (ii)
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4
Answer:
1.
a group of atoms bonding together representing the smallest fundamental unit of a chemical compound that cantake part in chemical reaction
Explanation:
2. molecules of compounds Co2and H2Oand No2
molecules of elements are H2 and cl2
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0
Explanation:
h2,cl2,o3 this molecules
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