Chemical Bonding, Reactions and Energy Review

Which of the following has a full valence level?

• Oxygen

• Neon

• Barium

• Carbon

Elements on the LEFT side of the periodic table will most likely form:

• Positive ions
• Negative ions
• Neutral Ions
• None of these

An ionic bond forms when atoms ___________ electrons.

• gain
• share
• increase
• transfer

Chemical bonds form when atoms

• combined nuclei
• give up neutrons
• gain protons
• share or transfer electrons

Bonds that form between two metals are called ______________ bonds.

• ionic 
• covalent
• metallic
• pervasive

If an atom gains one electron what charge will it have?

• -2
• -1
• +1

Covalent compounds

• Share electrons
• transfer electrons
• contain a sea of electrons
• conduct electricity

Tags

NGSS.HS-PS1-1

What is the number of valence electrons for Oxygen?

• 8
• 6
• 2
• 1

How many valence electrons in this structure?

• 6
• 5
• 4
• 7

Tags

NGSS.MS-PS1-1

A bond that forms when electrons are transferred is called a/an

• ionic bond
• covalent bond
• hydrogen bond