Bookback questions: choose the correct answer — task. Science State Board, Class 10.

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1.

Which of the following represents \(1\) \(amu\)?

Mass of a \(C –12\) atom
Mass of a hydrogen atom
1/12th of the mass of a (C –12\) atom
Mass of \(O –16\) atom

2.

\(1\) mole of any substance contains ____ molecules.

\(6.023\times10^{23}\)
\(6.023\times10^{-23}\)
\(3.0115\times10^{23}\)
\(12.046\times10^{23}\)

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