AC2.3.0 Ionic and Metallic Properties

Multiple Choice

Ionic bonds are formed between

• nonmetals

• metals and nonmetals

• metals

Multiple Choice

Which of the below is an ionic compound?

• Ni

• MgCl₂

• H₂O

• CH₄

Multiple Choice

How is an ionic bond formed?

• Sharing of electrons

• Delocalized electrons

• Transfer of electrons

Match

Match the following to form true statements:

• When solid, ionic compounds

• When melted ionic compounds

• Ionic compounds have

• There are many strong bonds

• Elements in group 1 of the periodic table form ions

cannot conduct electricity

can conduct electricity

high melting and high boiling points

between ions in an ionic compound.

with a charge of 1+

• cannot conduct electricity

• can conduct electricity

• high melting and high boiling points

• between ions in an ionic compound.

• with a charge of 1+

Multiple Choice

This is an image of the giant ionic lattice representing sodium chloride, what is represented by the + ?

• chloride

• electron

• proton

• sodium cation

Multiple Choice

What is the correct formula for aluminium oxide?

• Al₂O₃

• AlO

• AlO₄

• Al₂O

• Al₃O₂

Multiple Choice

Which of the following has the smallest lattice energy?

• MgCl₂

• SrCl₂

• MgF₂

• SrF₂

Multiple Choice

Which of the following is NOT a property of ionic compounds?

• They conduct electricity when molten

• They conduct electricity when dissolved in solution

• They have high boiling points

• They are insoluble in water

Multiple Choice

Ionic compounds are solids at room temperature because

• they consist of fully charged ions attracted to each other that minimizes the movement of atoms

• they have weak intermolecular forces

• they have a lattice structure

Reorder

Rank the compounds below from highest to lowest lattice energy: NaBr, AlN, BeO, Li₂S

• AlN

• BeO

• Li₂S

• NaBr

1

2

3

4

• 1
• 2
• 3
• 4

Multiple Choice

Ionic compounds have high melting points because

• a crystal lattice is a repeating pattern of ions with an ordered structure

• the ions cannot move

• a large amount of energy is required to break the ionic bonds in the lattice 
• there are no free electrons

Multiple Choice

Ionic compounds can conduct electricity as a solid

• true
• false

Multiple Choice

What is the name of the three-dimensional pattern that forms when ions bond?

• a crystal lattice

• a chemical compound

• an ionic bond

• an ionic chalice

Multiple Choice

What are the four properties of an ionic compound?

• They form crystals, are very brittle, have high melting points, and conduct electricity when melted

• They form crystals, are very sturdy, have high melting points, and conduct electricity when melted

• They form crystals, are very brittle, have low melting points, and conduct electricity when melted

• They form crystals, are very brittle, have high melting points, and conduct electricity when solid

Multiple Choice

_ is a property that describes a mineral  that splits evenly along flat surfaces.

• Cleavage
• Fracture
• Inorganic
• Organic

Multiple Choice

What is the basis of a metallic bond?

• the attraction of neutral metal atoms.
• the attraction between protons and neutrons.
• the attraction between positive metal ions and interlocking electrons.
• the attraction between positive metal ions and free floating electrons.

Multiple Choice

In the picture of dot diagrams, #2 is likely _

• Carbon

• Magnesium

• Nitrogen

• Oxygen

Multiple Choice

In metals, the _ electrons form a shared sea of electrons.

• negative

• core

• valence

• positive

Multiple Choice

What does malleable mean?

• able to be flattened

• will break easily

• able to be pulled into a wire

• is shiny

Multiple Choice

Which of the following lists of elements contain only metals?

• Li, Al, Te

• Ni, Pb, H

• Na, Os, Ga

• Ca, Zn, I

Multiple Choice

What type of alloy is made when the radii of the atoms are similar in size?

• interstitial

• substitutional

Multiple Choice

What type of alloy is this?

• Interstitial

• Substitutional

Multiple Choice

Ionic or covalent?
C-O

• Ionic
• Covalent

Multiple Choice

Ionic or covalent?
Na-Br

• Ionic
• Covalent

Multiple Choice

Ionic or covalent?
H-O

• Ionic
• Covalent

Multiple Choice

Ionic or covalent?
Na-Cl

• Ionic
• Covalent

Multiple Choice

When a bond is formed by two atoms sharing electrons it is called a _ bond

• chemical
• covalent
• ionic
• metallic

Multiple Choice

What type of covalent bond is characterized by an equal sharing of electrons

• Nonpolar covalent bond

• Ionic bond

• Polar covalent bond

Multiple Choice

What type of covalent bond is characterized by an unequal sharing of electrons?

• Ionic bond

• Polar covalent bond

• Nonpolar covalent bond

Multiple Choice

Does this compound have a dipole moment?

• Yes

• No

Multiple Choice

Is the following molecule polar or nonpolar?

• polar

• nonpolar

Multiple Choice

Is the following molecule polar or nonpolar?

• polar

• nonpolar

Multiple Choice

Is the following molecule polar or nonpolar?

• polar

• nonpolar

Multiple Choice

Is the following molecule polar or nonpolar?

• polar

• nonpolar

Multiple Choice

Is the following molecule polar or nonpolar?

• polar

• nonpolar

Multiple Choice

Is the following molecule polar or nonpolar?

• polar

• nonpolar