Atoms, Ions, and Isotopes Review

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

The positive particles of an atom are 

• Electrons 
• Positrons 
• Neutrons 
• Protons 

The central region of an atom where its neutrons and protons are is its _______.

• Nucleus 
• Electron cloud
• Core 
• Center 

An atom with atomic number 6 would have how many protons?

• 6
• 12
• 3
• Cannot be determined 

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

• Negatrons 
• Electrons 
• Neutrons 
• Protons 

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 atomic number tells you what?

• number of electrons
• number of protons
• number of neutrons
• both electrons and protons in an atom.

The nucleus of an atom is made of ________ and ________ .

• protons + neutrons

• electrons + protons

What is the chemical symbol for the element Silicon

• S
• Si
• si
• Sl