Fall Semester Final

Front

What are metals?

Back

Metals are elements that are typically shiny, good conductors of heat and electricity, and malleable. They are found on the left to middle of the Periodic Table.

Front

What are nonmetals?

Back

Nonmetals are elements that are usually dull, poor conductors of heat and electricity, and brittle. They are found on the right side of the Periodic Table.

Front

What is the equation for calculating density?

Back

Density = mass/volume.

Front

What indicates a chemical reaction has occurred?

Back

The formation of rust on a hammer left outside indicates a chemical reaction.

Front

What kind of energy change occurs when a candle is burning?

Back

Chemical energy is converted to light energy.

Front

What are metalloids?

Back

Metalloids are elements that have properties of both metals and nonmetals, and they are found along the zig-zag line on the Periodic Table.

Front

What is the definition of a chemical reaction?

Back

A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.

Front

What is an example of a physical change?

Back

A rock breaking into smaller pieces is an example of a physical change.

Front

What happens to water when heat is removed?

Back

When heat is removed from water, it can form a solid (ice).

Front

What is the role of energy in chemical reactions?

Back

Energy is required to break bonds in reactants and is released when new bonds form in products.