Nuclear Chemistry and Moles

What is Avogadro's number?

• 12.01

• 6.02 x 10²³

• 6.2 x 10²³

• 5.97 x 10²²

How many moles are in 5.85 x 10²² atoms of silver (Ag)?

• 0.0927 mol Ag

• 0.972 mol Ag

• 0.0972 mol Ag

• 9.72 mol Ag

Tags

NGSS.HS-PS1-7

How many atoms are in 0.500 moles of carbon (C)?

• 3.01 x 10²³ atoms

• 6.02 x 10²³ atoms

• 1.20 x 10²⁴ atoms

• 2.41 x 10²³ atoms

How many moles are in 473 grams of aluminum (Al)?

• 17.5 mol Al

• 12800 mol Al

• 6.02 x 10²³ mol Al

• 19.6 mol Al

How many moles are in 12 grams of carbon (C)?

• 1.0 mol C

• 0.50 mol C

• 2.0 mol C

• 0.10 mol C

How many moles are in 22 g of argon? 

• 880 moles
• 0.55 moles
• 1.81 moles
• 5 moles

How many grams would 0.0458 moles of sulfur have?

• 0.0458 g

• 32 g

• 0.0014 g

• none, grams and moles are not related.

How many neutrons are there in an atom of ⁴⁸₂₂Ti? 

• 22
• 26
• 48
• 70

Tags

NGSS.MS-PS1-1

When the isotope ⁵⁰₂₄X releases an alpha particle we get another element Y that looks like

• ⁵⁰₂₂Y

• ⁴⁶₂₂Y

• ⁴⁸₂₀Y

• ⁵⁴₂₆Y

Tags

NGSS.HS-PS1-8

When the isotope ⁵⁰₂₄X releases a beta particle we get another element, Y, that looks like

• ⁵⁰₂₃Y

• ⁴⁶₂₂Y

• ⁵⁰₂₅Y

• ⁵⁰₂₄Y

Tags

NGSS.HS-PS1-8