Chapter 13 & 14

Question 1

What value relates to the # of moles of solute per mass of solvent?

Answer 1

Molality

Question 2

What substance is composed of 2 or more elements bonded together?

Answer 2

Compound

Question 3

When atoms with different electronegativities bond, what type of bond is formed between the atoms?

Answer 3

Polar

Question 4

General term for a physical combination of pure substances.

Answer 4

Mixture

Question 5

Chemical name with a compound SCL4

Answer 5

Sulphur tetra chloride

Question 6

Only metal that is a liquid at room temperature

Answer 6

Mercury

Question 7

What idea states that no 2 electrons in an atom can have the same set of 4 quantum numbers?

Answer 7

Poly exclusion principle

Question 8

What type of nuclear decay occurs when a non stable atom ejects a clump of 2 protons and 2 neutrons?

Answer 8

Alpha decay

Question 9

Type of radio active decay releases energy without changing the number of protons and neutrons.

Answer 9

Gamma decay

Question 10

What is one way diffusion through a semipermeable membrane.

Answer 10

Osmosis

Question 11

What is the strongest intermolecular force?

Answer 11

Hydrogen bond

Question 12

Prefexes used when naming fluoride in a covalent molecule which would be SEF6.

Answer 12

Hexa

Question 13

What is an atom that has a positive electric charge because of loosing electrons

Answer 13

Cation

Question 14

What substances are composed of a single type of atom?

Answer 14

Element

Question 15

C =

Answer 15

Carbon

Question 16

Na

Answer 16

Sodium

Question 17

Ag

Answer 17

Silver

Question 18

Au

Answer 18

Gold

Question 19

O

Answer 19

Oxygen

Question 20

K

Answer 20

Potassium

Question 21

What unit refers to 6.022.10 to the 23rd power particles of a substance

Answer 21

Mole

Question 22

What terms refers to the sum of the atom’s atomic mass of all atoms in a molecule

Answer 22

Molecular mass

Question 23

What are the electrons located in the outer most shell of any atom called.

Answer 23

Valence electron

Question 24

Type of intermolecular force is present between all polar molecules but not between non polar molecules

Answer 24

Dipole-dipole force

Question 25

By physical properties elements are divided into 3 groups

Answer 25

metals, semi metals, fluorine = non metals

Question 26

The chemical name for covalent compound that contains one uranium atom and 6 fluorine atom

Answer 26

una hexa fluoride

Question 27

A homogenous mixture that contains and consists of a solute dissolved in a solvent is,

Answer 27

A solution

Question 28

The process of mixing molecules of one substance with another substance by random molecular motion

Answer 28

Difusion

Question 29

The organized study of the composition and interaction of matter

Answer 29

Chemistry

Question 30

The mixture containing suspended clumps of particles called

Answer 30

colloids

Question 31

Term that refers to the time required for one half of radioactive sample to decay into a new substance

Answer 31

Half life

Question 32

T/F Mod: In a solution the substance that is dissolved is the SOLVENT

Answer 32

FALSE - SOLUTE

Question 33

T/F Mod: The process of combining 2 nuclei to form a heavier nucleus is FISSION

Answer 33

FALSE - FUSION

Question 34

T/F Mod: If a molecule of a mixture are not completely mixed together the substance is a HOMOGENIUS mixture

Answer 34

FALSE - HETEROGENIUS

Question 35

T/F Mod: Magnesium is a alkaline earth metal and Chlorine is a halogen. The substance magnesium and chlorine most likely have IONIC bonding

Answer 35

TRUE

Question 36

T/F Mod: Protons and neutrons are found in the NUCLEUS

Answer 36

TRUE

Question 37

T/F Mod: The law stating that elements show regular and repeating properties when arranged by increasing atomic numbers is the PERIODIC LAW

Answer 37

TRUE