ADV Chemistry - Quiz Review: Types & Properties of Bonds

What happens to electrons in an IONIC bond?

Electrons are TRANSFERRED

What happens to electrons in a POLAR covalent bond?

Electrons are shared, but NOT EQUALLY

What happens to electrons in a NON-POLAR covalent bond?

Electrons are shared EQUALLY

How are IONIC bonds formed?

Metal + Non-metal

How are COVALENT bonds formed?

Non-metal+ Non-metal

Metalloid + Non-metal

How are METALLIC bonds formed?

Metal + Metal

What type of bonding is associated with a sea of electrons?

Metallic bonds: a delocalized sea of electrons helps to explain most metallic properties

What do COVALENTLY bonded atoms form?

Molecules

Which periodic table property is usually associated with bonding?

Electronegativity: the measure of an atom’s ability to attract electrons in a chemical bond

What does an EN difference of [<0.5] indicate?

There is a NON-POLAR covalent bond

What does an EN difference of [0.5-1.69] indicate?

There is a POLAR covalent bond

What does an EN difference of [1.7-4.0] indicate?

There is an IONIC bond

What are the properties of IONIC compounds?

a) Highly soluble in water

b) High melting points

c) Strong conductor in solution, not as solids

What are the properties of POLAR covalent compounds?

a) Soluble in water

b) Moderate melting points

c) Bad conductor in both solution and as solids

What are the properties of NON-POLAR covalent compounds?

a) Insoluble (not soluble) in water

b) Low melting points

c) Insulator

What are the properties of METAL compounds?

a) Insoluble (not soluble) in water

b) High melting points

c) Strong conductors as solids