Question

please answer................................

Answer 1

$\textbf{\huge{ANSWER:}}$

Number of atoms in Sodium : Mass of Na / Molar Mass of Na

Molar Mass of Na : $\textbf{23 g}$

Number of atoms : 100 / 23

=》4.3


Number of atoms in iron : Mass of Fe / Molar Mass of Fe

Molar Mass of Fe : $\textbf{56 g}$

Number of atoms : 100 / 56

=》1.7

Therefore, Sodium has more number of atoms.