Front

What does the 6 represent in the periodic table?

Back

Atomic number

Front

What is a collection of atoms of one type that cannot be broken down into simpler substances by ordinary chemical or physical means?

Back

Element

Front

What is a negatively charged subatomic particle that orbits the nucleus of an atom?

Back

Electron

Front

What does 12.011 represent in the periodic table?

Back

Atomic mass

Front

How is the mass of an atom calculated?

Back

By adding the number of protons and neutrons in the nucleus of the atom.

Front

What is the smallest unit of an element that retains the properties of that element?

Back

Atom

Front

What is the center of an atom called?

Back

Nucleus

Front

What are positively charged subatomic particles found in the nucleus of an atom?

Back

Protons

Front

What is the term for the number of protons in the nucleus of an atom?

Back

Atomic number

Front

What is the term for the average mass of an element's isotopes?

Back

Atomic mass