Chemistry Final Exam Review 2026

How many particles are in a mole?

• 602
• 602 million
• 602 moles
• 6.02 x 10²³

How many molecules are in 2.5 mol of NaCl?

• 1.5 x 10²⁴ molecules

• 1.5 molecules

• 4.15 molecules

• 1.5 x 10²³ molecules

The mass of one mole of substance is called...

• molecular mass
• mole constant
• molar mass
• atomic weight

What is the mass of one mole of aluminum?

• 27 g
• 13 g
• 54 g
• 14 g

What is the molar mass of table salt (NaCl)?

• 116.886 g/mol
• 35.453 g/mol
• 22.990 g/mol
• 58.443 g/mol

This picture represents: 

• Element
• Compound
• Mixture of Elements
• Mixture of Compounds

Tags

NGSS.MS-PS1-1

This picture represents which of the following?

• element
• compound
• mixture

Tags

NGSS.MS-PS1-1

Matter can be classified as either a __________ or a _____________.

• Element or a Compound

• Compound or a Solid

• Pure Substance or a Mixture

• Mixture or a Solid

Elements and Compounds are classified as _______.

• Heterogeneous mixtures

• Homogeneous mixtures

• Pure substances

• Unpure substances

This picture represents: 

• Element
• Compound
• Mixture of Elements
• Mixture of Compounds

Tags

NGSS.MS-PS1-1