General Chemistry

Question 1

Magnitude of: tera (T)

Answer 1

10^12

Question 2

Magnitude of: centi (c)

Answer 2

10^-2

Question 3

Magnitude of: micro (u)

Answer 3

10^-6

Question 4

Magnitude of: kilo (k)

Answer 4

10^3

Question 5

Magnitude of: giga (G)

Answer 5

10^9

Question 6

Magnitude of: milli (m)

Answer 6

10^-3

Question 7

Magnitude of: pico (p)

Answer 7

10^-12

Question 8

Magnitude of: deci (d)

Answer 8

10^-1

Question 9

Magnitude of: mega (M)

Answer 9

10^6

Question 10

Magnitude of: deka

Answer 10

10^1

Question 11

Magnitude of: hecto

Answer 11

10^2

Question 12

Magnitude of: nano (n)

Answer 12

10^-9

Question 13

Melting point of water in the Fahrenheit scale

Answer 13

32 degrees Fahrenheit

Question 14

Boiling point of water in the Fahrenheit scale

Answer 14

212 degrees Fahrenheit

Question 15

What is the densest element known?

Answer 15

Osmium (22.8 g/mL)

Question 16

What is the metal, which is very rare in Earth’s crust but comparatively abundant in asteroids, that led to the asteroid-caused dinosaur extinction theory?

Answer 16

Iridium

Question 17

States that “different samples of the same compound always contain its constituent elements in the same proportion by mass”.

Answer 17

Law of Definite Proportions

Question 18

States that “if two elements can combine to form more than one compound, the masses of one element that combine with a fixed mass of the other element are in ratios of small whole numbers”.

Answer 18

Law of Multiple Proportions

Question 19

Negatively charged plate

Answer 19

Cathode

Question 20

Positively charged plate

Answer 20

Anode

Question 21

Charge of an electron

Answer 21

-1.6022 x 10^-19 C

Question 22

Mass of an electron

Answer 22

9.10938 x 10^-28 g

Question 23

Radiation product of radioactive decay that consist of positively charged particles

Answer 23

Alpha Rays

Question 24

Radiation product of radioactive decay that consist of negatively charged particles

Answer 24

Beta Rays

Question 25

Radiation product of radioactive decay that have no charge

Answer 25

Gamma Rays

Question 26

Mass of a proton

Answer 26

1.67262 x 10^-24 g

Question 27

Mass of a neutron

Answer 27

1.67493 x 10^-24

Question 28

Name of the ion C^4-

Answer 28

Carbide

Question 29

Name of the ion Si^4-

Answer 29

Silicide

Question 30

Name of the ion N^3-

Answer 30

Nitride

Question 31

Name of the ion P^3-

Answer 31

Phosphide

Question 32

Name of the ion O^2-

Answer 32

Oxide

Question 33

Name of the ion S^2-

Answer 33

Sulfide

Question 34

Name of the ion Se^2-

Answer 34

Selenide

Question 35

Name of the ion Te^2-

Answer 35

Telluride

Question 36

Name of the ion (CO3)^2-

Answer 36

Carbonate

Question 37

Name of the ion (ClO3)^1-

Answer 37

Chlorate

Question 38

Name of the ion (CrO4)^2-

Answer 38

Chromate

Question 39

Name of the ion (CN)^1-

Answer 39

Cyanide

Question 40

Name of the ion (Cr2O7)^2-

Answer 40

Dichromate

Question 41

Name of the ion (NO3)^1-

Answer 41

Nitrate

Question 42

Name of the ion (NO2)^1-

Answer 42

Nitrite

Question 43

Name of the ion (MnO4)^1-

Answer 43

Permanganate

Question 44

Name of the ion (O2)^2-

Answer 44

Peroxide

Question 45

Name of the ion (PO4)^3-

Answer 45

Phosphate

Question 46

Name of the ion (SO4)^2-

Answer 46

Sulfate

Question 47

Name of the ion (SO3)^2-

Answer 47

Sulfite

Question 48

Name of the ion (SCN)^1-

Answer 48

Thiocyanate

Question 49

Molecular formula of diborane

Answer 49

B2H6

Question 50

Molecular formula of silane

Answer 50

SiH4

Question 51

Molecular formula of phosphine

Answer 51

PH3

Question 52

Molecular formula of hydrogen sulfide

Answer 52

H2S

Question 53

Acids that contain hydrogen, oxygen, and another element (central element)

Answer 53

Oxoacids

Question 54

Molecular formula of laughing gas

Answer 54

N2O

Question 55

Molecular formula of limestone

Answer 55

CaCO3

Question 56

Molecular formula of quicklime

Answer 56

CaO

Question 57

Molecular formula of slaked lime

Answer 57

Ca(OH)2

Question 58

Molecular formula of baking soda

Answer 58

NaHCO3

Question 59

Molecular formula of washing soda

Answer 59

Na2CO3 * 10H2O

Question 60

Molecular formula of Epsom salt

Answer 60

MgSO4 * 7H2O

Question 61

Molecular formula of Gypsum

Answer 61

CaSO4 * 2H2O