Week 7 Take Home Notebook Review Quiz: Atoms, Ions, Isotopes

All matter is made of _________.

• energy 
• atoms 
• electrons 
• compounds 

What is at the center of every atom?

• An electron
• A compound
• A molecule
• A nucleus

What does the nucleus of an atom contain?

• Electrons and neutrons
• Protons and neutrons
• Neutrinos and positrons
• DNA and RN

The subatomic particles that make up an atom.

• solid, liquid, gas

• electrons, protons, nucleus

• energy, protons, nucleus

• electrons, protons, neutrons

How many neutrons does the isotope of lithium have?

• 8
• 3
• 4
• 5

An atom is electrically neutral when

• protons and neutrons are the same
• protons and electrons are the same
• neutrons and electrons are the same
• neutrons balance the protons and electrons

If an atom loses electrons, the charge will be positive.

• true

• false

An ion forms when an atom gains or loses

• Protons
• Neutrons
• Electrons

A neutral atom would become an ion that has a charge of 2+ by 

• Losing two protons
• Losing two neutrons
• Losing two electrons

Two atoms that have different numbers of protons are 

• Different ions
• Different isotopes
• Different elements