Atoms

Front

What is the chemical symbol for Gold?

Back

Au

Front

How many protons are in a Nitrogen atom?

Back

7

Front

Who proposed the 'Plum Pudding' model of the atom?

Back

J.J. Thomson

Front

What is the name of the positively charged particle in an atom?

Back

Proton

Front

Who discovered the neutron?

Back

James Chadwick

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the charge of a neutron?

Back

Neutrons have no charge (they are neutral).

Front

What is the nucleus of an atom composed of?

Back

Protons and neutrons.

Front

What is the role of electrons in an atom?

Back

Electrons are negatively charged particles that orbit the nucleus and are involved in chemical bonding.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.