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Snezhnost [94]
3 years ago
12

HELP!!! i will mark you as the brainliest asnwer!!!!!

Biology
1 answer:
aalyn [17]3 years ago
3 0
1)Li-neutral atom
2)Be-atomic number of 4
3)He-atomic mass number of 4
Sorry if they aren’t correct but goodluck in life
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