The goal when bonding is for ALL atoms involved to have ______ valence electrons (octet rule).

• 4
• 10
• 8
• 6

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Chemical bonds formed by the sharing of electrons are called

• metallic bonds
• covalent bonds
• hydrogen bonds
• ionic bonds

Tags

NGSS.HS-PS1-1

Which of the following compounds contain ionic bonds?

• Ethanol (C2H5OH)
• Carbon dioxide (CO2)
• Magnesium oxide (MgO)

• Water (H2O)

Ionic compounds are created from

• metals and gases
• metals and nonmetals
• nonmetals and metalloids
• gases and liquids

Which of the following contain covalent bonds?

• Calcium Carbonate (CaCO3)
• Iron Oxide (Fe2O3)
• Sodium Chloride (NaCl)
• Carbon Dioxide (CO2)

Chemical bonds formed by the transfer of electrons are called

• covalent bonds
• metallic bonds
• hydrogen bonds
• ionic bonds

Covalent compounds are created from

• metals
• salts
• ionic compounds
• nonmetals

Tags

NGSS.MS-PS1-1

It is determined that a compound has very high melting and boiling points. The compound is most likely ______________. 

• metallic compound
• simple molecular compound
• covalent compound

• ionic compound

Tags

NGSS.MS-PS1-4

Prefixes are used ONLY when naming __________________ compounds.

• ionic
• metallic
• covalent
• organic

Due to the transfer of electrons and attraction between positive and negative ions, ionic bonds tend to be ____________ than covalent bonds.

• weaker
• stronger
• more flexible
• less stable