Intro to Moles

What is a mole in chemistry?

• A small furry creature

• A unit representing 6.02 x 10²³of something

• An abbreviation for molecule

• A type of facial mark

How many things are in a dozen?

• 602 hexillion

• 6.02 x 10²³

• 24

• 12

What is Avogadro's number?

• The number of molecules in a liter of water

• 602 followed by 21 zeros

• The speed of light

• The number of atoms in a gram

How is the number 602 hexillion commonly abbreviated in scientific notation?

• 6.02 x 10²¹

• 6.02 x 10²²

• 6.02 x 10²³

• 602 x 10²³

What can you have a mole of?

• Only atoms

• Only chemical substances

• Only molecules

• Anything, as long as it's 602 hexillion of it

Why do people often confuse 'mole' with 'molecule'?

• Because both involve chemistry

• Because they sound similar

• Because a mole is often used to count molecules

• Because a mole is a type of molecule

What would be the size of a mole of jellybeans?

• As big as a large building

• As big as a city

• As big as the planet Earth

• As big as a football field

How far would a stack of 602 hexillion donuts reach?

• From the Earth to the Moon

• From the Earth to the Sun and back 200 billion times

• Around the Earth's equator

• To the edge of the solar system

What is the purpose of using scientific notation for Avogadro's number?

• To make it look more complicated

• To confuse students

• To make calculations harder

• To easily represent very large numbers