Atomic Structure

Front

What is an atom?

Back

An atom is the smallest unit of matter that retains the properties of an element.

Front

What are the three main subatomic particles?

Back

Protons, neutrons, and electrons.

Front

Where are protons located in an atom?

Back

Protons are located in the nucleus of an atom.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the charge of an electron?

Back

Negative.

Front

What is the charge of a neutron?

Back

Neutral (no charge).

Front

What is the nucleus of an atom?

Back

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

Front

How do you find the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

What does the atomic mass represent?

Back

The atomic mass represents the average mass of an atom, taking into account the number of protons and neutrons.

Front

What is the electron cloud?

Back

The electron cloud is the region around the nucleus where electrons are likely to be found.