Intro to Moles

What is a mole?

• 6.022 x 10²³ particles of any substance

• A small burrowing animal

• A dark spot on your skin

• A spy

In chemistry, a "mole" is:

• The mass of an atom
• a large number used to count particles
• based on the volume of a substance

How many potatoes are in one dozen potatoes?

• 10
• 12
• 2
• 6.02 x 10²³

How many atoms of iodine are in a mole of iodine?

• 53
• 63.55g
• 126.9
• 6.02 x 10²³

Tags

NGSS.MS-PS1-1

The number 6.02 x 10²³ is called...

• Obama's number
• Bohr's number
• Trump's number
• Avogadro's number

Which has more molecules?

• 1 mole H₂O
• 1 mole Al(OH)₃
• 1 mole NaCl
• There are all the same

Tags

NGSS.MS-PS1-1

What is the mole used for? 

• To measure the amount of grams in a substance
• To measure the amount of atoms or molecules in a substance
• To measure the amount of energy in a substance
• To measure the amount of bonding in a substance 

A mole of Neon contains
6.02 x 10²³ _____.

• atoms
• formula units
• ions
• molecules

Tags

NGSS.MS-PS1-1

There are ______ number of molecules (atoms) of NaCl in one mole of NaCl?

• 6.02 x 10²³
• 1 mole
• 2
• Mr. Miller

The mole is a...

• Unit to measure the amount of atoms in a substance

• Unit to measure distance

• Unit to measure time of atomic decay

• Unit used to measure the size of each atom in a substance