3.3 - 3.4 Quiz - 8th

What elements generally make an ionic bond?

• metal and nonmetal
• 2 nonmetals
• metal
• none of the above

What elements generally make a covalent bond?

• metal and nonmetal
• 2 nonmetals
• metal
• none of the above

In chemical compounds, covalent bonds form when

• the electronegativity difference between two atoms is very large.
• electrons are completely transferred between two metals.
• pairs of electrons are shared between two nonmetal atoms.
• two nonmetal atoms are attracted to each other by opposite charges.

What are the only parts of atoms that make chemical bonds?

• Protons in the nucleus
• Neutrons in the nucleus
• Electrons in the nucleus
• Valence Electrons

Why don't noble gases normally form chemical bonds?

• They have only 2 valence electrons
• Their outer level electrons are empty
• They have 8 neutrons
• They have a full valence electron shell

The joining of atoms to form new substances is called? 

• proton bonding 
• mixtures
• compounds 
• chemical bonding 

How many electrons are needed to fill the outer orbit of most atoms?

• 2
• 4
• 6
• 8

What molecule is this?

• CO
• CO2
• C2O
• C2O2

What is an atom or group of atoms that has an electric charge?

• ion
• metal
• nonmetal
• ionic compound

A valence electron or electrons exist in the ______ energy level.

• Farthest in
• Middle
• Furthest out