Atomic Structure Flashcard- Vocab List 1

Front

Smallest unit of matter?

Back

Atom

Front

Positively charged subatomic particle?

Back

Proton

Front

Subatomic particle that is electrically neutral?

Back

Neutron

Front

Center of an atom?

Back

Nucleus

Front

Energy levels around an atom's nucleus?

Back

Electron Shells

Front

Rounded atomic weight to the nearest whole number is called?

Back

Mass Number

Front

Mass of protons and neutrons in the nucleus is called

Back

Mass Number

Front

Negatively charged subatomic particle?

Back

Electron

Front

Number of protons in an atom?

Back

Atomic Number

Front

Total protons + neutrons in an atom?

Back

Mass Number