Topic Test: Atomic Structure and Chemical Bonding

Front

Who discovered the electron using a cathode ray experiment?

Back

JJ Thomson

Front

True or False: An atom is neutral if the number of protons equals the number of neutrons.

Back

False

Front

What type of bonding involves the transfer of electrons from one atom to another?

Back

Ionic Bonding

Front

What is the fundamental force that holds protons and neutrons together in the nucleus?

Back

Strong Nuclear Force

Front

What property of an element determines its ability to attract electrons in a chemical bond?

Back

Electronegativity

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

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.