Biology: Chemistry Review

Front

What is atomic mass?

Back

Atomic mass is the total number of protons and neutrons in an atom.

Front

What is the basic unit of matter?

Back

The basic unit of matter is an atom.

Front

Which subatomic particle is found in the space surrounding the nucleus of an atom?

Back

Electrons are the subatomic particles found in the space surrounding the nucleus.

Front

What is an element?

Back

An element is a substance made of one kind of atom.

Front

What is a compound?

Back

A compound is formed when two or more elements are joined chemically.

Front

What are protons?

Back

Protons are positively charged subatomic particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutrons are neutral subatomic particles found in the nucleus of an atom.

Front

What are electrons?

Back

Electrons are negatively charged subatomic particles that orbit the nucleus of an atom.

Front

What is the difference between an element and a compound?

Back

An element consists of one type of atom, while a compound consists of two or more different types of atoms chemically bonded together.

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.