History of the Atom

Front

What are molecules made up of?

Back

Non-metal atoms in a set ratio.

Front

What are the 2 differently charged particles within an atom?

Back

Protons & Electrons.

Front

What does Dalton's Atomic Theory state?

Back

All matter is made of atoms, which are indivisible and indestructible.

Front

What did Thomson's Plum Pudding Model suggest about the structure of the atom?

Back

The atom is a sphere of positive charge with negatively charged electrons embedded within it.

Front

What is the overall charge of an atom?

Back

Neutral.

Front

What are protons?

Back

Positively charged particles found in the nucleus of an atom.

Front

What are electrons?

Back

Negatively charged particles that orbit the nucleus of an atom.

Front

What are neutrons?

Back

Neutral particles found in the nucleus of an atom.

Front

What is the nucleus of an atom?

Back

The central part of an atom, containing protons and neutrons.

Front

What is atomic mass?

Back

The weighted average mass of an atom's isotopes.