1. 70 km/
2. 400 km/h
3. 100 km/h
n=g/m therefore g=n*m
G = 102 * (Molar mass of magnesium)
G = 102 * (24.30) --> i'm guessing its just mg and not mg2..?
G = 247.6 Grams of magnesium
Answer:
In fact, it turns out that the mass of an electron is so small relative to the masses of protons and neutrons that electrons are considered to have a negligible effect on the overall mass of an atom.
Explanation:
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