Chemical Bonding Test

Match the following ionic bonds to the correct chemical formulas.

• Sodium hydroxide

• MgCl₂

• Potassium sulfate

• K₂SO₄

• Iron oxide

• Fe₂O₃

• Magnesium Chloride

• NaOH

• Aluminum oxide

• Al₃O₂

Match the following covalent bonds to the correct chemical formulas

• Methane

• CH₄

• Ammonia

• CO₂

• Dihydrogen oxide

• NH₃

• Carbon dioxide

• H₂O

Tags

NGSS.MS-PS1-1

How does sodium becomes a sodium ion?

• Lose 2 electrons

• Gain 2 electrons

• Lose 1 electron

• Gain 1 electron

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the ionic compound that is formed when you combine Li⁺ and N^-3 ions?

• LiN

• LiN₃

• Li₃N₂

• Li₃N

Which diagram shows the correct Lewis-dot diagram for potassium chloride?

• I

• II

• III

• IV

What type of bond is illustrated above?

• Covalent
• Metallic
• Ionic
• Oxygen

Hydrogen needs _____ electrons in its valence shell to be stable.

• 4
• 6
• 8
• 2

Ionic compounds are formed when one or more valence electrons are transferred from _____

• a nonmetal atom to a metal atom
• a nonmetal atom to a nonmetal atom
• a metal atom to a nonmetal atom
• a metal atom to a metal atom

According to the octet rule most elements need _______ valence electrons.

• 2
• 8
• 6
• 18

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The name of P₄S₁₀ is

• phosphorous sulfide
• phosphorus disulfide

• tetraphosphorus decasulfide
• phosphorus (X) sulfide