Pre-test Chemistry

Front

What are the three main subatomic particles of an atom?

Back

Protons, Neutrons, and Electrons.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the charge of a neutron?

Back

Neutral.

Front

What is the charge of an electron?

Back

Negative.

Front

What is the nucleus of an atom composed of?

Back

Protons and Neutrons.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance that cannot be broken down into simpler substances, while a compound is a substance formed when two or more elements chemically bond together.

Front

What is an example of a compound?

Back

Water (H2O).

Front

What is the periodic table?

Back

A tabular arrangement of elements organized by increasing atomic number, which shows the relationships between them.

Front

What element has properties similar to Silicon (Si)?

Back

Germanium (Ge).

Front

What is a pure substance?

Back

A material that has a constant composition and consistent properties throughout.