The metric unit for mass is B. Kilograms
Answer:
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12 grams
The mass of one mole of carbon-12 atoms is 12 grams.
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Explanation:
Answer:
c. F1-
Explanation:
In this chemical reaction the expression is:
HF + NaF → NaHF2
The ion that always keep the negative charge is the fluorine with a -1, if in this mixture there is more positive ions (H1+) the negative ion (F1-) will join with them.
Remember that also the Cl1- will be free, but the fluorine is more reactive than the fluorine.
Gases take the shape of their container and have no definite volume because they can diffuse indefinitely. Answer C.
Im sorry i dont know that one
