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what does the number mean?

2006-12-20 14:07:13 · 1 answers · asked by martin 1 in Science & Mathematics Chemistry

1 answers

you could write:

carbon-12 meaning carbon with a mass of 12

12
C meaning carbon with a mass of 12 (the 12 is a superscript above and left of the element symbol)

2006-12-20 14:20:04 · answer #1 · answered by physandchemteach 7 · 0 0

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