Quiz on Subatomic Particles

What are the building blocks of matter?

• Molecules

• Atoms

• Cells

• Compounds

Which subatomic particle has a negative charge?

• Proton

• Neutron

• Electron

• Photon

Which subatomic particle has a positive charge and is found in the nucleus of an atom?

• Electron

• Neutron

• Proton

• Quark

Which subatomic particle has no charge and is found in the nucleus of an atom?

• Electron

• Neutron

• Proton

• Positron

What does the atomic number of an element represent?

• Number of electrons

• Number of neutrons

• Number of protons

• Number of atoms

What does atomic mass represent?

• Number of protons and electrons

• Number of protons and neutrons

• Number of electrons and neutrons

• Number of protons only

What is the net charge?

• The sum of positive charges

• The sum of negative charges

• The sum of negative and positive charges

• The difference between protons and neutrons

What are molecules?

• Single atoms

• Groups of two or more atoms held together by chemical bonds

• Groups of electrons

• Isolated protons

What is an ion?

• A neutral atom

• An atom or group of atoms that has a positive or negative charge

• A molecule with no charge

• A single proton

What is a cation?

• A negatively charged ion

• A positively charged ion

• A neutral atom

• A molecule