Atoms Quiz

Which of the following is a negatively charged subatomic particle?

• Electron
• Proton
• Neutron
• Quark

All matter is made of what?

• energy 
• atoms 
• electrons 
• compounds 

The particles that are found in the nucleus of an atom are

• neutrons and electrons
• electrons only
• protons and neutrons
• protons and electrons

The atomic number of an elements is the total number of which particles in the nucleus?

• neutrons
• protons
• electrons
• protons and electrons

What is the unit used to measure weighted average atomic mass?

• amu
• gram
• angstrom
• nanogrm

An element has an atomic number of 76.  The number of protons and electrons in a neutral atom of the element are

• 152 p+, 76 e-
• 76 p+, 0 e-
• 38 p+, 38 e-
• 76 p+, 76 e-

Contributes basically no mass to an atom.

• protons
• neutrons
• electrons
• protons and neutrons

An atom has 5 protons, 7 neutrons and 5 electrons. What is the mass number of the atom?

• 5
• 7
• 2
• 12

In a neutral atom, what needs to be true?

• The number of protons and neutrons are the same
• The number of protons and electrons are the same
• The number of neutrons and electrons are the same
• None of the above

How many protons are in this element?

• 79
• 196
• 117
• Cannot be determined