Chemistry Quiz 1

What is an element?

• An element is an atom and two atoms
• An element is one or more atoms of the same kind.
• An element is more than one of different kinds

What is a compound?

• One single atom
• Many atoms of the same element
• A molecule made of more than one element
• Everything is made of matter 

How many atoms of Nitrogen are in this molecule?

• 3
• 2
• 0
• 1

What is the mass of the object?

• 533

• 335

• 3005

• 330.5

What is the volume of the liquid?

• 25 mL

• 24 mL

• 20.4 mL

• 28 mL

If an substance has the mass of 40g and the volume of 12 mL, what is its density?

• 0.3

• 480

• 3.33

• 3

In the density layers in the image, we can see that the cherry tomato has a similar density to dish soap. Which of the following statements is true?

• The tomato is more dense than milk.

• The tomato is less dense than milk.

• The dish soap is less dense than the tomato, but more dense than milk.

• The tomato has the same density than the soda cap.

An unknown mineral was found. It was discovered to be a good conductor of electricity, shiny, and malleable. It is probably

• metal

• metalloid

• nonmetal

An unknown mineral was placed in a circuit with a battery, wires, and a light bulb. The light bulb turned on so this mineral can NOT be classified as a

• metal

• nonmetal

• metalloid

• natural resource

What is the chemical symbol for the element Silicon

• S

• Si

• si

• Sl