Front

What is the mass of an atom primarily determined by?

Back

The mass of an atom is primarily determined by the number of protons and neutrons in its nucleus.

Front

What does the atomic number represent?

Back

The atomic number represents the number of protons in an atom.

Front

Where are electrons located in an atom?

Back

Electrons are located in the electron cloud surrounding the nucleus.

Front

Where is most of the mass of an atom located?

Back

Most of the mass of an atom is located in the nucleus.

Front

How do you calculate the mass of an element?

Back

The mass of an element is calculated by adding the number of protons and neutrons.

Front

What are isotopes?

Back

Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons.

Front

What is an ion?

Back

An ion is an atom or molecule that has gained or lost one or more electrons, resulting in a net charge.

Front

What is the charge of a proton?

Back

The charge of a proton is positive.

Front

What is the charge of an electron?

Back

The charge of an electron is negative.

Front

What is the nucleus of an atom?

Back

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