Bond Types
Intermolecular Forces
Electrons
Lewis-Dot
Melting/Boiling Points
100

What is the type of bond formed when valence electrons are shared

Covalent

100

What is the intermolecular force created between molecules with oppositely charged ends?

dipole

100

What is the charge on an ion when the atom loses 2 electrons?

2+

100
The number of dots around hydrogen
What is one?
100
Between H20 and H2S, H20 has a higher one of these
What is melting/boiling point
200

What is the bond formed when valence electrons are transferred

Ionic

200

What is force of attraction between unpaired electrons of a highly electronegative element of one molecule and a hydrogen atom of another molecule?

hydrogen bond

200

What is the charge on an ion when the atom gains two electrons

2-

200
The number of dots around oxygen
What is 6?
200

What is the reason for higher melting/boiling points?

Greater intermolecular forces

300

What is the type of bond formed when electrons are free and loosely shared?

metallic

300

What is the intermolecular force involved when molecules can't form H-bonds or dipole interactions

dispersion force

300
group 3a
Which group has 3 valence electrons?
300
The number of dots around a group 7a element
What is 7?
300

What compounds have the highest melting/boiling points

Ionic Compounds

400

What is the bond formed between a metal and a nonmetal?

ionic

400

What is the relationship between intermolecular forces and melting/boiling point?

The stronger the intermolecular forces, the higher melting/boiling point

400
lose 2 valence electrons
What are group 2a elements?
400
The number of dots around magnesium
What is two?
400

What intermolecular forces are responsible for the lowest boiling points

dispersion forces

500

What is bond formed when two nonmetals bond together?

covalent

500

What is the strongest of the intermolecular forces?

hydrogen bonds

500
They gain 2 electrons
What are group 6a elements?
500
The number of dots between two atoms that have a double covalent bond
What is four?
500

Between hydrogen bonds and dipole interactions, these will have lower boiling points.

What is dipole interactions?