PRACTICE: Intro to Avogadro's Number & the Mole

• 7.5

• 8.2

• 10.2

• 9.5

What is the SI unit that refers to the number of particles contained in a substance?

(a)  

The representative particle for gaseous nitrogen is the:

• molecule

• atom

• formula unit

• gram

Tags

NGSS.MS-PS1-1

What is the smallest representative particle of an element?

(a)  

Which would have more atoms?

• 1 mole of Li
• 1 mole of Au
• 1 mole of Si
• None, all are equal

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

• 53
• 63.55g
• 126.9
• 6.02 x 10²³

A mole of Neon contains
6.02 x 10²³ _____.

• atoms
• formula units
• ions
• molecules

What is Avogadro's Number? 

• 6.02 x 10²³
• - 6.02 10²³
• 6.02 x 10²²
• 6,020,000,000,000

Which of the following statements regarding the mole is NOT correct?

• A mole is a counting unit

• Equal to 6.02 x 10²³ particles.

• The concept of mole is similar to the concept of dozen

• none of the above

When comparing a mole of oxygen and a mole of sulfur, how many atoms does each have?

• oxygen has 16 grams of atoms

• sulfur has 32.06 grams of atoms

• both contains 6.02 x 10²³ atoms

• can not be determined

Tags

NGSS.MS-PS1-1