Atoms

Front

What identifies the number of protons in an atom's nucleus?

Back

Atomic Number

Front

What is all matter made of?

Back

Atoms

Front

What are the negatively charged particles in an atom?

Back

Electrons

Front

What are the positively charged particles of an atom?

Back

Protons

Front

What is the neutral particle in an atom?

Back

Neutron

Front

What is the region inside an atom where electrons are likely to be found?

Back

Electron Cloud

Front

What is the center of an atom called?

Back

Nucleus

Front

What is the mass of a proton?

Back

Approximately 1 atomic mass unit (amu)

Front

What is the mass of a neutron?

Back

Approximately 1 atomic mass unit (amu)

Front

What is the mass of an electron?

Back

Approximately 1/1836 of a proton's mass