Question

How many atoms are present in aluminium wire of lengt 10cm


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Answer 1

Explanation:

Given that the size of an atom is about 10-10 m, the number of atoms in a 1 x 10-4 cm will be 1 x 104. For a 100 cm2 piece of foil (10 cm by 10 cm), the number of aluminum atoms will be about 1 x 1022

Answer 2

Given that the size of an atom is about 10-10 m, the number of atoms in a 1 x 10-4 cm will be 1 x 104. For a 100 cm2 piece of foil (10 cm by 10 cm), the number of aluminum atoms will be about 1 x 1022.