Multiple Choice Question Answer XVIII — task. Science CBSE, Class 9.

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1. The total mass of 100 atoms of silicon is:

2800 amu
2800 u
2800 g
28.00 mg

2. What is Avogadro’s number?

\(12.046\) × \(10^2{^3}\)
\(6.023\) × \(10^2{^3}\)
\(1.505\) × \(10^2{^3}\)
\(3.0115\) × \(10^2{^3}\)

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