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Question 1

Aluminum Charge

Answer 1

+3

Question 2

Zinc Charge

Answer 2

+2

Question 3

Gallium Charge

Answer 3

+3

Question 4

Cadmium Charge

Answer 4

+2

Question 5

H2O2

Answer 5

hydrogen peroxide

Question 6

NH3

Answer 6

ammonia

Question 7

CH4

Answer 7

methane

Question 8

C2H6

Answer 8

ethane

Question 9

C3H8

Answer 9

propane

Question 10

C4H8

Answer 10

butane

Question 11

C2H5OH

Answer 11

ethanol

Question 12

SI unit of length

Answer 12

meter

Question 13

SI unit of mass

Answer 13

kilogram

Question 14

SI unit of time

Answer 14

second

Question 15

SI unit of temprature

Answer 15

kelvin

Question 16

SI unit of amount of substance

Answer 16

mole

Question 17

Kelvin equasion

Answer 17

K = C+273.15

Question 18

Celsius to Fahrenheit

Answer 18

F= C*1.8+32

Question 19

tera

Answer 19

T, 10^12

Question 20

mega

Answer 20

M, 10^6`

Question 21

kilo

Answer 21

k, 10^3

Question 22

deca

Answer 22

da, 10^1

Question 23

centi

Answer 23

c, 10^-2

Question 24

milli

Answer 24

m, 10^-3

Question 25

micro

Answer 25

μ, 10^-6

Question 26

nano

Answer 26

n, 10^-9

Question 27

liquid to gas

Answer 27

evaporation

Question 28

solid to gas

Answer 28

sublimation

Question 29

gas to solid

Answer 29

deposition

Question 30

gas to liquid

Answer 30

condensation

Question 31

loses electrons when they undergo chemical changes

Answer 31

metals

Question 32

gain electrons when they undergo chemical changes

Answer 32

nonmetals

Question 33

1A

Answer 33

alkali metals

Question 34

2A

Answer 34

alkali earth metals

Question 35

7A

Answer 35

halogens

Question 36

ion with positive charge

Answer 36

cation

Question 37

ion with negative charge

Answer 37

anion

Question 38

atomic elements

Answer 38

elements that occur in nature as single atoms

Question 39

molecular elements

Answer 39

elements that do not normally occur in nature as their single atoms

Question 40

name the diatomic elements

Answer 40

Hydrogen, Nitrogen, Oxygen, Fluorine, Chlorine, Bromine, Iodine

Question 41

Binary acids

Answer 41

Hydrogen + Non Metal (HCl, HBr)

Question 42

Oxyacids

Answer 42

Hydrogen + Oxyanion (Non Metal + Oxygen)

Question 43

organic compounds

Answer 43

come from living things, decompose easily, are composed of carbon and hydrogen + oxygen, nitrogen, sulfur etc

Question 44

inorganic compounds

Answer 44

do not decompose easily, come from earth

Question 45

hydrocarbons

Answer 45

organic compounds that contain only carbon and hydrogen

Question 46

alkanes

Answer 46

hydrocarbons containing only single bonds

Question 47

alkenes

Answer 47

hydrocarbons containing double bonds

Question 48

describe the appearance of a homogenous substance

Answer 48

they appear clear when light passes through them

Question 49

Scandium Charge

Answer 49

+3

Question 50

Solubility of group 1 + ammonium salts, name exceptions if applicable

Answer 50

always soluable

Question 51

Solubility of nitrates and acetates, name exceptions if applicable

Answer 51

always soluable

Question 52

Solubility of phosphates and carbonates, name exceptions if applicable

Answer 52

generally insoluble, except rule 1 (group 1 + ammonium salts)

Question 53

Solubility of sulfides and hydroxides, name exceptions if applicable

Answer 53

generally insoluble, except Ca, Sr, Ba

Question 54

Solubility of sulfates, name exceptions if applicable

Answer 54

generally soluble, except Ca, Ba, Sr, Ag, Hg(2)2+,Pb2+

Question 55

Solubility of halides, name exceptions if applicable

Answer 55

Most halides are soluble, except Ag+, Hg(2)2+, and Pb2+