FINAL

Question 1

Homogeneous

Answer 1

A mixture whose composition is uniform

Question 2

Heterogeneous

Answer 2

A mixture whose composition is not uniform

Question 3

Physical Properties

Answer 3

Properties that can be overserved like color, odor, and melting point

Question 4

Chemical Properties

Answer 4

Properties based upon a chemical reaction

Question 5

Density

Answer 5

D=M/V

Question 6

Accuracy

Answer 6

How close it is to the true value

Question 7

Precision

Answer 7

How closely the measurements are to each other

Question 8

How to find # of electrons

Answer 8

of protons + # of charge = # of electrons

Question 9

Alkali Metals

Answer 9

Period 1A / 1 Val Electron / Highly Reactive

Question 10

Alkaline Earth Metals

Answer 10

Period 2A / 2 Val Electrons

Question 11

Halogens

Answer 11

Period 7A / 7 Valence Electrons /Mostly Gasses

Question 12

Noble Gases

Answer 12

Period 8A / 0 Valence Electrons

Question 13

Ionic Compound

Answer 13

Metal + Nonmetal

Question 14

Molecular Compounds

Answer 14

Nonmetal + Nonmetal

Question 15

Cations

Answer 15

Typically formed from metals

Question 16

Anions

Answer 16

Typically formed from non-metals

Question 17

Naming Ionic compounds

Answer 17

Cation name + Anion name

Question 18

Acids

Answer 18

Uses H as the metal and yield H+ when dissolved in water

Question 19

mono-

Answer 19

1

Question 20

di-

Answer 20

2

Question 21

tri

Answer 21

3

Question 22

tetra-

Answer 22

4

Question 23

penta-

Answer 23

5

Question 24

hexa-

Answer 24

6

Question 25

hepta-

Answer 25

7

Question 26

octa-

Answer 26

8

Question 27

nona-

Answer 27

9

Question 28

deca-

Answer 28

10

Question 29

Formula Weight

Answer 29

Sum of ((Number of element)*(element weight))

Question 30

Mass Precent

Answer 30

((# of atoms)*(atomic weight))/(Formula Weight)

Question 31

Avogadros #

Answer 31

1 mole = 6.02*10^23 particles

Question 32

% yield

Answer 32

actual / theoretical

Question 33

Bases

Answer 33

Accept H in a solution and produces OH

Question 34

Strong Bases

Answer 34

LiOH, NaOH, KOH,RbOH, CsOH,Ca(OH)2,Sr(OH)2,Ba(OH)2

Question 35

Acid + Base yeilds ?

Answer 35

H2O + salt

Question 36

Oxidation

Answer 36

LEO Loss of Electrons

Question 37

Reduction

Answer 37

GER Gain of Electrons

Question 38

Oxidation states

Answer 38

1.Fluorine -1 2.Hydrogen +1 3.Oxygen -2 4.Group 7A -1 5.Group 6A -2 6.Group 5A -3

Question 39

Molarity (M)

Answer 39

M=mols of solute/Liters of solute

Question 40

Dilution Equation

Answer 40

M1V1=M2V2

Question 41

Enthalpy(H)

Answer 41

Measures flow of heat

Question 42

Change in H

Answer 42

H,final - H,inital

Question 43

+⍍H

Answer 43

Endothermic

Question 44

-⍍H

Answer 44

Exothermic

Question 45

Speed of light (c)

Answer 45

c=2.99*10^8m/s

Question 46

Plancks Constant (H)

Answer 46

H=6.626*10^-34Js

Question 47

frequency

Answer 47

freq = c/wavelength

Question 48

energy in terms of light

Answer 48

E = H * freq

Question 49

spdf

Answer 49

0,1,2,3

Question 50

Ideal gas law

Answer 50

PV=nRT

Question 51

R = gas constant = ?

Answer 51

= 0.08206 L*atm/mol*k