Matter and Its Interactions Unit Review 2024-25

Front

Who created the first periodic table?

Back

Mendeleev

Front

What state of matter is characterized by having a definite volume but no definite shape?

Back

Liquid

Front

What does the atomic number of an element represent?

Back

The number of protons in an atom.

Front

What type of change occurs when two or more molecules interact and form a new substance?

Back

Chemical change.

Front

Which element is represented by the symbol He?

Back

Helium.

Front

What is the smallest unit of matter that retains the properties of an element?

Back

Atom.

Front

What is the term for a change in matter that does not alter its chemical composition?

Back

Physical change.

Front

What are the three main states of matter?

Back

Solid, liquid, gas.

Front

What is the term for the amount of space an object occupies?

Back

Volume.

Front

What is the term for the measure of how much matter is in an object?

Back

Mass.