Protons, Neutrons, & Electrons

Front

What are protons?

Back

Protons are positively charged subatomic particles found in the nucleus of an atom. They determine the atomic number and identity of an element.

Front

What are neutrons?

Back

Neutrons are neutral subatomic particles found in the nucleus of an atom. They contribute to the mass of the atom and help stabilize the nucleus.

Front

What are electrons?

Back

Electrons are negatively charged subatomic particles that orbit the nucleus of an atom. They are involved in chemical bonding and reactions.

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.

Front

What is mass number?

Back

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

Front

How do you calculate the number of neutrons in an atom?

Back

Number of neutrons = Mass number - Atomic number.

Front

What is the symbol for lithium?

Back

Li

Front

What is the symbol for magnesium?

Back

Mg

Front

What is the symbol for iron?

Back

Fe

Front

What is the symbol for silver?

Back

Ag