Intra/intermolecular forces

Question 1

An idea that matter is composed of tiny particles that are always in motion.

Answer 1

Kinetic Molecular Theory

Question 2

Postulates of
Kinetic Molecular Theory

Matter is made up of particles that are constantly in motion. This energy is called _______

Answer 2

kinetic Energy

Question 3

Postulates of
Kinetic Molecular Theory

The amount of kinetic energy in a substance is related to its _____. Increased in _____ means _________.

Answer 3

temperature, greater speed

Question 4

Postulates of
Kinetic Molecular Theory

_____ changes happen when the _____ of the substance changes sufficiently.

Answer 4

phase, temperature

Question 5

Postulates of
Kinetic Molecular Theory

There are attractive forces in between particles called ________. The strength of these particles increases as particles get closer together.

Answer 5

intermolecular forces

Question 6

5 postulates of kinetic molecular theory

Answer 6

kinetic energy, temp, space, phases, intermolecular forces

Question 7

two kinds of forces/attractions

Answer 7

intramolecular & intermolecular

Question 8

(within molecules) force that hold the atom together in a molecule

Answer 8

intramolecular

Question 9

1.

force that stabilize each other

Answer 9

intramolecular

Question 10

force happen between molecules

Answer 10

intermolecular

Question 11

Formed between atoms with similar electronegativities-the affinity or desire for electrons.

Answer 11

covalent bond

Question 12

2 types of intramolecular force

Answer 12

ionic & covalent bond

Question 13

what is the electronegativity of ionic bond

Answer 13

greater than 2.0

Question 14

2 types of covalent bond

Answer 14

polar & non-polar bond

Question 15

Formed between same atoms or atoms with very similar electronegativities.

Answer 15

non-polar bond

Question 16

electronegativity of non-polar bond

Answer 16

less than 0.5

Question 17

Examples are one type atoms like N2, Cl2, F2, Br2 and those that contain only of hydogen.

Answer 17

non-polar bond

Question 18

Formed when atoms of slightly different electronegativities.

Answer 18

polar bond

Question 19

electronegativity of polar bond

Answer 19

0.5-1.7

Question 20

types of intermolecular forces

Answer 20

dipole-dipole, ion-dipole, hydrogen, london dispersion – forces

Question 21

attraction between one + of polar end & vice versa

Answer 21

dipole-dipole

Question 22

force between ion and polar

Answer 22

ion-dipole

Question 23

force that happen mostly on solutions

Answer 23

ion-dipole

Question 24

strongest intermolecular force

Answer 24

ion-dipole

Question 25

like dipole-dipole but happens in hydrogen

Answer 25

hydrogen

Question 26

weakest of intermolecular force and happens between all tyles of molecules

Answer 26

london dispersion

Question 27

the more electrons the _____. therefore, ______

Answer 27

higher london dispersion, higher boiling point

Question 28

next lesson

Answer 28

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