Foundations of Chemistry

______ is anything that has mass and volume.

• mass

• volume

• matter

• substance

The building block of matter is known as:

• mass

• volume

• atom

• molecule

The nucleus of an atom contains the electrons.

• True

• False

______ have a positive charge

• protons

• electrons

• neutrons

• quarks

Electrons orbit the nucleus in the electron cloud.

• True

• False

______ provide the elements atomic number and, therefore, its identity.

• Neutrons

• Protons

• Electrons

• Quarks

Elements and compounds are examples of ________.

• mixtures

• heterogeneous mixture

• substances

• solution

The combination of symbols and numbers that represent a compound is known as:

• chemical properties

• chemical change

• chemical formula

• chemical composition

Elements are substances that contain two or more different atoms.

• True

• False

This type of matter can vary in its composition.

• Substances

• Compound

• Element

• Mixture