Bonding Concepts

In general, which order arranges the types of bonds from those with the lowest melting points to those with the highest melting points?

• Covalent < Metallic < Ionic

• Metallic < Covalent < Ionic

• Covalent < Ionic < Metallic

• Ionic < Covalent < Metallic

Tags

12.2.1.a

What type of attractive force is present in an ionic compound?

• strong nuclear force

• gravitational force

• magnetic force

• electrostatic force

Tags

SC.HS.1.1.D 

Why does sodium chloride (NaCl) have a higher boiling point than bromine (Br₂)?

• The metallic bonds in NaCl are stronger than the ionic bonds in Br₂.

• The covalent bonds in NaCl are stronger than the ionic bonds in Br₂.

• The ionic bonds in NaCl are stronger than the covalent bonds in Br₂.

• The ionic bonds in NaCl are stronger than the ionic bonds in Br₂.

Tags

12.2.1.a

Which subatomic particles are lost or gained in order for an atom to become an ion?

• protons

• electrons

• protons & neutrons

• protons & electrons

Match the image to the correct type of interaction.

• Metallic Bond

• 
• Covalent Bond

• 
• Ionic Bond

• 
• Hydrogen Bond

• 

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following best describes the general properties of ionic compounds?

• brittle,

  high melting point,

  conduct electricity as a liquid or when dissolved

• malleable & ductile,

  high melting point,

  conduct electricity as a solid

• brittle,

  low melting point,

  insulator

• malleable & ductile,

  high melting point,

  conduct electricity as a liquid or when dissolved

Which of the following best describes the general properties of metallic substances?

• malleable & ductile,

  good conductors,

  high melting points

• brittle,

  insulators,

  high melting points

• brittle,

  good conductors,

  low melting points

• malleable & ductile,

  insulators,

  low melting points

Which electrons are involved in the formation of a chemical bond?

• Lewis electrons

• core electrons

• d-orbital electrons

• valence electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Metals can be combined to form solid mixtures with desirable properties. For example, zinc, copper, and magnesium can be mixed with aluminum to form a strong yet light weight material for use in aircraft.

What is the term for a mixture of metals?

• colloids

• conductors

• alloys

• allotropes

Which of the following best describes the behavior of electrons in a metallic bond

• electrons are shared equally between two or more atoms

• electrons are transferred from one atom to another

• delocalized electrons are free to move between atoms

• electrons are shared unequally between two or more atoms