Atoms Study Guide #2 2022

Front

What are isotopes?

Back

Isotopes are variants of a particular chemical element that have the same number of protons but different numbers of neutrons, resulting in different atomic masses.

Front

What are the positive particles of an atom?

Back

The positive particles of an atom are protons.

Front

What does atomic weight represent?

Back

Atomic weight represents the weighted average of the masses of an element's isotopes.

Front

How many protons are in an atom of carbon?

Back

An atom of carbon has 6 protons.

Front

What are the three main particles that make up an atom?

Back

The three main particles that make up an atom are protons, neutrons, and electrons.

Front

What is the charge of protons?

Back

Protons have a positive charge.

Front

What is the charge of electrons?

Back

Electrons have a negative charge.

Front

What is the charge of neutrons?

Back

Neutrons have no charge (they are neutral).

Front

How do isotopes of an element differ from each other?

Back

Isotopes of an element differ in the number of neutrons they contain.

Front

What is the nucleus of an atom?

Back

The nucleus is the central part of an atom, containing protons and neutrons.