Atoms

What is at the center of every atom?

• an electron
• a compound
• a molecule
• a nucleus

Particles in an atom that are neutral and have no charge are 

• negatrons 
• electrons 
• neutrons 
• protons 

In an atom, what is the number of protons equal to?

• the number of electrons
• the number of neutrons
• the number of molecules
• the number of nuclei

Which of the following is a negatively charged subatomic particle?

• Electron
• Proton
• Neutron
• Quark

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

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

The symbol for Carbon is

• 6
• 12.011
• C
• Ca

Beryllium has how many protons?

• 4
• 9.0122
• 2
• 13.0122

What is the atomic number for an element with twelve protons?

• 2
• 12
• 24
• 6

Where is the element's atomic MASS located?

• at the top

• at the bottom

• the top number + the bottom number

• the number of protons + the number of neutrons

What is the atomic mass of "F"

• 9
• 18
• 17
• 19