UB Chemistry - Wk 1

The amount of matter in an object is a measure of the object's ________________.

• volume
• density
• mass
• solubility

Tags

NGSS.HS-PS1-7

What is the volume of the rock? The water level is displaced from 20 mL to 23 mL with the rock.

• 3 mL
• 23 mL
• 20 mL
• 43 mL

What is the formula for calculating density?

• Mass ∗ Volume
• Volume ∗ Mass
• Mass ÷ Volume
• Volume ÷ Mass

If you had a sealed bottle of water, how would the mass of the water bottle change after a 5 day period?

• Mass would increase. 
• Mass would stay the same. 
• Mass would decrease. 
• None of the above.

Which is an example of a physical property?

• ability to react with acid
•  color
• flammability
• ability to react with oxygen

Which of the following is a chemical property of water?

• Reacts with pure sodium
• Boils at 100 ^oC
• Is liquid at room temperature
• Has a density of 1 gm/mL

Which of the following is NOT a physical property?

• breaking a window
• color
• density
• freezing point

Which is an example of a physical property?

• rusting
• boiling point
• combustion
• reactivity with water

What is at the center of every atom?

• An electron
• A compound
• A molecule
• A nucleus

Tags

NGSS.HS-PS1-8

Which two particles make up the nucleus of an atom?

• Protons and Electrons
• Protons and Neutrons
• Molecules and Compounds
• Neutrons and Electrons

Tags

NGSS.HS-PS1-8