Atomic Theory Review Flashcard

Front

What is the atomic mass of Chlorine?

Back

35.45

Front

Where can electrons be found?

Back

In the Electron Cloud.

Front

What is the smallest particle of an element that retains all its properties?

Back

An atom.

Front

Who was the first scientist to propose atomic theory?

Back

Dalton.

Front

Who discovered the proton in 1911?

Back

Rutherford.

Front

What is an atom?

Back

The basic unit of a chemical element.

Front

What are protons?

Back

Positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutral 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 is the nucleus of an atom?

Back

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