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 atoms of iodine are in a mole of iodine?

• 53
• 63.55g
• 126.9
• 6.02 x 10²³

The number 6.02 x 10²³ is called...

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

How many students are there in 31.8 moles of students?

• 5.28 x 10^-23 students
• 1.91 x 10²⁵ students
• 5.28x 10-²⁵  students
• 1.91 x 10²² students

How many atoms are present in a 13.5 gram sample of beryllium?

• 1.5 particles

• 9 particles

• 4.03 x10²³ particles

• 9.02 x10²³ particles

How many potatoes are in one dozen potatoes?

• 10
• 12
• 2
• 6.02 x 10²³

The term "mole" is a unit used to represent

• density of particles

• kinds of particles

• numbers of particles

• reactivity of particles

How do chemists use the mole?

• as a standard quantity of measurement
• as a pet
• to aerate their yards
• for their fur

What is Avogadro's Number?

• 6.02 x 10²³

• - 23 10^6.02

• 6.02 x 10²²

• 6,020,000,000,000

To convert from moles to particles, you should multiply by ....

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