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Anettt [7]
3 years ago
11

Please help I don't understand

Biology
1 answer:
9966 [12]3 years ago
3 0
NaCl: natriumchloride. 1 atom of each, so the 2 is too much and I (capital i here) is another element

So for the second excercise the number behind the symbol is the amount of atoms in the compound. So easily 2 atoms of Li, 1 atom of S and 4 of O
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kvv77 [185]

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3 years ago
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An older adult female patient has presented with a new onset of shortness of breath, and the patient's nurse practitioner has or
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