Let's Sum It Up!
Fill in the correct word/s in each of the sentences which is central to the pool of
ideas from this week's self learning kit
1. One mole contains Avogadro's number of particles equal to
exactly equal to the number of atoms in exactly 12g of carbon-12
2. Avogadro's number is in honor of
calculated Avogadro's number for the first time in 1865
4. Different substances with the same number of moles have the same number of
particles but they have
masses.
is the sum of the masses of the atoms in the molecule of the
substance.
is the sum of the masses of the atoms in the formula unit (for
ionic compounds) of the substance.
7.
is the mass of one mole of a substance expressed in g/mol
8. The molar mass of a monatomic element like Na, L, Mg is numerically equal to its
expressed in grams.
9. The mass of the substance divided by its molar mass gives the
of the substance
10. The number of moles multiplied by Avogadro's number gives the​