Atoms Flashcard

Front

Which subatomic particle has a positive charge?

Back

Proton

Front

Which subatomic particle can be found in levels or shells around the nucleus?

Back

Electrons

Front

Tiny particles that make up matter are called?

Back

Atoms

Front

Which subatomic particle determines the identity of the atom (atomic number)?

Back

Proton

Front

The number of protons and neutrons in an atom tells us its __________.

Back

Atomic mass

Front

What is the charge of a neutron?

Back

Neutral (no charge)

Front

What is the charge of an electron?

Back

Negative charge

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What are isotopes?

Back

Atoms of the same element with different numbers of neutrons.

Front

What is the nucleus of an atom?

Back

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