Atomic Structure

Front

What particle determines the identity of an element?

Back

Proton

Front

What is the charge of a proton?

Back

Positive

Front

What is the charge of an electron?

Back

Negative

Front

What is the smallest unit of matter that cannot be broken down into simpler substances?

Back

Atom

Front

What subatomic particle is found in the nucleus of an atom and has no charge?

Back

Neutron

Front

What is the overall charge of an atom with equal numbers of protons and electrons?

Back

Neutral

Front

What is the mass of a proton compared to an electron?

Back

Proton is approximately 1836 times more massive than an electron.

Front

What is the nucleus of an atom composed of?

Back

Protons and neutrons.

Front

What is the term for the region surrounding the nucleus where electrons are likely to be found?

Back

Electron cloud.

Front

How do you calculate the atomic number of an element?

Back

The atomic number is equal to the number of protons in the nucleus.