Atomic Structure & Theory

Front

What does the 14 in Carbon - 14 represent?

Back

Number of neutrons.

Front

What are the two main parts of the atom?

Back

Nucleus and electron cloud.

Front

Who proposed that atoms are indivisible?

Back

Dalton.

Front

What makes Nitrogen different from Carbon?

Back

Number of protons.

Front

The three main particles of an atom are electrons, protons, and ____.

Back

Neutrons.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the charge of an electron?

Back

Negative.

Front

What is the charge of a neutron?

Back

Neutral.

Front

What is the nucleus of an atom composed of?

Back

Protons and neutrons.

Front

What is an isotope?

Back

Atoms of the same element with different numbers of neutrons.