Dec 2024 Semester Exam - Phys Sci Vocabulary

Front

Atoms of the same element that have different numbers of neutrons.

Back

Isotope

Front

The number of protons in an atom of an element.

Back

Atomic number

Front

The tendency of an object to resist a change in its motion.

Back

Inertia

Front

In circular motion, the force that acts perpendicular to the direction of motion, toward the center of the curve.

Back

Centripetal motion

Front

A substance that consists of only one type of atom.

Back

Element

Front

The smallest unit of an element that retains the properties of that element.

Back

Atom

Front

A particle with a positive charge found in the nucleus of an atom.

Back

Proton

Front

A particle with no charge found in the nucleus of an atom.

Back

Neutron

Front

A particle with a negative charge that orbits the nucleus of an atom.

Back

Electron

Front

The total number of protons and neutrons in an atom's nucleus.

Back

Atomic mass