The Nucleus

Front

Who mathematically proved the existence of atoms and molecules in 1905?

Back

Albert Einstein

Front

The word 'atom' is derived from which language?

Back

Greek for 'indivisible'

Front

Atoms of the same element have the same number of what?

Back

Protons in their nuclei

Front

What are protons and neutrons collectively referred to as?

Back

Nucleons

Front

What is defined as 'a well-tested set of ideas that explains many disparate observations'?

Back

A theory

Front

What is the central part of an atom called?

Back

The nucleus

Front

What particles are found in the nucleus of an atom?

Back

Protons and neutrons

Front

What is the charge of a proton?

Back

Positive

Front

What is the charge of a neutron?

Back

Neutral

Front

What is the charge of an electron?

Back

Negative