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masya89 [10]
3 years ago
8

7. Although carbon's three isotopes are carbon-12, carbon-13, and carbon-14, its

Chemistry
1 answer:
Naddik [55]3 years ago
4 0

Answer:

B

Explanation:

carbon 12 is most useful to humans

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Express the quantity 556.2 x 10^-12 in each units<br> A.) ms<br> B.) ns<br> C.) ps<br> D.) fs
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we should know the meaning of each abbreviation:
ms means  millisecond, its value is 10^-3 s 
ns means  means  nanosecond,   its value is 10^-9 s
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fs means  femtosecond, its value is 1x 10^15 s

<span>Expressions of the quantity 556.2 x 10^-12 are</span>
556.2 x 10^-12 =556.2 ps
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