Semester 1 Exam Review

Front

What do waves transfer?

Back

Energy

Front

What is an example of a chemical change?

Back

Burning of wood

Front

List the major families on the periodic table.

Back

Alkali metals, Alkaline earth metals, Transition metals, Halogens, Noble gases

Front

How are elements that are similar organized?

Back

In groups or families

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Front

What are alkali metals?

Back

Group 1 elements on the periodic table, highly reactive and typically have one electron in their outermost shell.

Front

What are noble gases?

Back

Group 8 elements on the periodic table, known for their lack of reactivity due to having a full valence shell.

Front

What is the significance of the periodic table?

Back

It organizes elements based on their atomic number, electron configuration, and recurring chemical properties.

Front

What is a chemical reaction?

Back

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