WorksheetsWarmup 3-4 The Mole
Total questions: 6
Worksheet time: 23mins
Tuesday 3-2
What was the best and worst part of your weekend?
Why did chemists create the mole?
Because moles are small animals that help chemists dig for elements in the ground.
So that chemistry students would have an extra unit to memorize and make their homework harder.
To measure the number of atoms in a single grain of sand because scientists thought counting atoms individually was too easy.
Because atoms are so small you need huge amounts in order to weigh them.
How many particles are in a mole?
6.02 x 1023
12
600 million
6.02
The molar mass of an element is the mass in ______ of 1 mole (6.02 X 1023) of an element.
grams
ounces
pounds
AMU
What tells us the molar mass of an element?
the size of the element
the atomic number
the atomic mass
the color of the element
Match the following elements to their molar mass
Ca
40
Fe
56
O
16
N
14
H
1
