Magnesium and iron are metallic elements. How does a mole of magnesium compare with a mole of iron? A mole of iron has more atoms. They both have the same mass. A mole of magnesium has more mass. They both have the same number of atoms.
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Amole of a substance contain the Avogadro's number of particles
The Avogadro's number = 6.022 x 10^23
It means that a mole of a substance contain 6.022 x 10^23 particles
A mole of magnesium contains 6.022 x 10^23 atoms of magnesium
Amole of iron contains 6.022 x 10^23 atoms of iron
So, the correct answer is:
They both have the same number of atoms.
The Avogadro's number = 6.022 x 10^23
It means that a mole of a substance contain 6.022 x 10^23 particles
A mole of magnesium contains 6.022 x 10^23 atoms of magnesium
Amole of iron contains 6.022 x 10^23 atoms of iron
So, the correct answer is:
They both have the same number of atoms.
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