Fall Semester Review 2024

Front

What is friction?

Back

Friction is a force that opposes the motion of an object when it comes into contact with another surface.

Front

Give an example of friction in everyday life.

Back

An example of friction is wind blowing against you as you walk.

Front

What is a compound?

Back

A compound is a substance formed when two or more elements are chemically bonded together.

Front

Which of the following is a compound: Co, O2, C, CO2?

Back

CO2 is a compound.

Front

What are the physical properties of metals?

Back

Metals are typically shiny, malleable, ductile, and good conductors of heat and electricity.

Front

What is a metalloid?

Back

A metalloid is an element that has properties of both metals and nonmetals.

Front

Which element has properties of both metals and nonmetals?

Back

Arsenic is an element that has properties of both metals and nonmetals.

Front

What is a nonmetal?

Back

A nonmetal is an element that is typically dull, brittle, and a poor conductor of heat and electricity.

Front

How would you classify an element that is dull, brittle, and does not conduct heat?

Back

It would be classified as a nonmetal.

Front

What is the significance of the periodic table?

Back

The periodic table organizes elements based on their atomic number, electron configuration, and recurring chemical properties.