CH.2-Atoms/molecules/ions

Question 1

H

Answer 1

Hydrogen

Question 2

He

Answer 2

Helium

Question 3

Li

Answer 3

Lithium

Question 4

Be

Answer 4

Beryllium

Question 5

B

Answer 5

Boron

Question 6

C

Answer 6

Carbon

Question 7

N

Answer 7

Nitrogen

Question 8

O

Answer 8

Oxygen

Question 9

F

Answer 9

Fluorine

Question 10

Ne

Answer 10

Neon

Question 11

Na

Answer 11

Sodium

Question 12

Mg

Answer 12

Magnesium

Question 13

Al

Answer 13

Aluminium

Question 14

Si

Answer 14

Silicon

Question 15

P

Answer 15

Phosphorus

Question 16

S

Answer 16

Sulfur

Question 17

Cl

Answer 17

Chlorine

Question 18

Ar

Answer 18

Argon

Question 19

K

Answer 19

Potassium

Question 20

Ca

Answer 20

Calcium

Question 21

Sc

Answer 21

Scandium

Question 22

Ti

Answer 22

Titanium

Question 23

V

Answer 23

Vanadium

Question 24

Cr

Answer 24

Chromium

Question 25

Mn

Answer 25

Manganese

Question 26

Fe

Answer 26

Iron

Question 27

Co

Answer 27

Cobalt

Question 28

Ni

Answer 28

Nickel

Question 29

Cu

Answer 29

Copper

Question 30

Zn

Answer 30

Zinc

Question 31

Ga

Answer 31

Gallium

Question 32

Ge

Answer 32

Germanium

Question 33

As

Answer 33

Arsenic

Question 34

Se

Answer 34

Selenium

Question 35

Br

Answer 35

Bromine

Question 36

Kr

Answer 36

Krypton

Question 37

Rb

Answer 37

Rubidium

Question 38

Sr

Answer 38

Strontium

Question 39

Zr

Answer 39

Zirconium

Question 40

Mo

Answer 40

Molybdenum

Question 41

Pd

Answer 41

Palladium

Question 42

Ag

Answer 42

Silver

Question 43

Cd

Answer 43

Cadmium

Question 44

Sn

Answer 44

Tin

Question 45

Sb

Answer 45

Antimony

Question 46

Te

Answer 46

Tellurium

Question 47

I

Answer 47

Iodine

Question 48

Xe

Answer 48

Xenon

Question 49

Cs

Answer 49

Cesium

Question 50

In

Answer 50

Indium

Question 51

Ba

Answer 51

Barium

Question 52

La

Answer 52

Lathanum

Question 53

W

Answer 53

Tungsten

Question 54

Pt

Answer 54

Platinum

Question 55

Au

Answer 55

Gold

Question 56

Hg

Answer 56

Mercury

Question 57

Pb

Answer 57

Lead

Question 58

#protons = #electrons? True or false

Answer 58

True

Question 59

The number of ---- is the atomic number

Answer 59

Protons

Question 60

#electrons + #neutrons = atomic mass TRUE OR FALSE

Answer 60

False. #protons + #neutrons = atomic mass

Question 61

What are the 7 diatomic elements

Answer 61

H - N - O - F - Cl - Br - I

Question 62

What are the non metals(17)?

Answer 62

On the right side 1) H 2) He 3) C 4) N 5) O 6) F 7) Ne 8) P 9) S 10) Cl 11) Ar 12) Se 13) Br 14) Kr 15) I 16) Xe 17) Rn

Question 63

What does binary compound mean?

Answer 63

Made of 2 elements

Question 64

Is CO binary?

Answer 64

Yes

Question 65

Is C2H2Cl2 binary?

Answer 65

No

Question 66

What are the number of electrons of the inert gases to achieve stability?

Answer 66

2 - 10 - 18 - 36 - 54

Question 67

What are ions?

Answer 67

Charges in chem substances

Question 68

What are anions? Lose or gain e-

Answer 68

Negative charge. Gain e-

Question 69

What are cations? Lose or gain e-

Answer 69

Positive charge. Lost e-

Question 70

True or false: Metals gain electrons and form anions

Answer 70

False. Metals lose electrons and become cations

Question 71

True or false: Non-metals gain electrons and form anions

Answer 71

True. Non metals tend to gain electron, then become negatively charged (Cl2-, 02-...)

Question 72

What are ionic compounds composed of?

Answer 72

Metal + NM

Question 73

In binary ionic compounds (Type II), what metals require the roman numeral?

Answer 73

Transition metals cations

Question 74

What do roman numerals indicate in a compound?

Answer 74

Charge of metal cation

Question 75

Group 1A metals: Li, Na, K, Rb, Cs will always form cations having ---- charge

Answer 75

+1

Question 76

Group IIA elements: Be, Mg, Ca, Sr, Ba will always have --- charge

Answer 76

+2

Question 77

Group IIIA elements: Al, Ga, In will always have --- charge

Answer 77

+3

Question 78

Hg₂(2+)

Answer 78

Mercury (I)

Question 79

Ammonium

Answer 79

NH₄⁺

Question 80

Nitrite

Answer 80

NO₂-

Question 81

NO₃-

Answer 81

Nitrate

Question 82

Sulfite

Answer 82

SO₃²⁻

Question 83

Sulfate

Answer 83

SO₄²-

Question 84

Hydrogen sulfate

Answer 84

HSO₄-

Question 85

OH-

Answer 85

Hydroxide

Question 86

Cyanide

Answer 86

CN-

Question 87

Hydrogen phosphate

Answer 87

HPO₄²⁻

Question 88

H₂PO₄-

Answer 88

Dihydrogen phosphate

Question 89

NCS- or SCN-

Answer 89

Thiocyanate

Question 90

CO₃²⁻

Answer 90

Carbonate

Question 91

Hydrogen carbonate (bicarbonate)

Answer 91

HCO₃-

Question 92

ClO-

Answer 92

Hypochlorite

Question 93

Chlorite

Answer 93

ClO₂-

Question 94

Chlorate

Answer 94

ClO₃−

Question 95

perchlorate

Answer 95

ClO₄-

Question 96

Acetate

Answer 96

C₂H₃O₂-

Question 97

Permanganate

Answer 97

MnO₄-

Question 98

Dichromate

Answer 98

Cr₂O₇(2-)

Question 99

Peroxide

Answer 99

O₂(2-)

Question 100

Oxalate

Answer 100

C₂O₄(2−)

Question 101

Thiosulfate

Answer 101

S₂O₃(2-)

Question 102

Mnemonic for names of oxyanions: Hypochlorite

Answer 102

ClO-

Question 103

Mnemonic for names of oxyanions: Perchlorate

Answer 103

ClO₄-

Question 104

Oxyanions: O3 + 1

Answer 104

Per... ate

Question 105

Oxyanions: O3

Answer 105

... -ate

Question 106

Oxyanions: O3 - 1

Answer 106

... - ite

Question 107

Oxyanions: O3 - 2

Answer 107

Hypo... - ite

Question 108

For a binary ionic compound type I: need cation from which groups? (columns)

Answer 108

1, 2 and aluminium

Question 109

When naming acid, (H), we use hydro- when there's oxygen. True or false

Answer 109

False, we use hydro when there's NO oxygen

Question 110

HF

Answer 110

Hydrofluoric acid

Question 111

HCl

Answer 111

Hydrochloric acid

Question 112

Hydrobromic acid

Answer 112

HBr

Question 113

HI

Answer 113

Hydroiodic acid

Question 114

Hydrocyanic acid

Answer 114

HCN

Question 115

Hydrosulfuric acid

Answer 115

H₂S

Question 116

When naming an acid with O, the suffix ---- is added to the root name if the anion name ends in -ate

Answer 116

ic

Question 117

Nitric acid

Answer 117

HNO₃

Question 118

Sulfuric acid

Answer 118

H₂SO₄

Question 119

HC₂H₃O₂ What is the name and another to write the formula?

Answer 119

Acetic acid - CH₃COOH

Question 120

When naming an acid with O, the suffix ---- is added to the root name if the anion name ends in -ite

Answer 120

ous

Question 121

Nitrous acid

Answer 121

HNO₂

Question 122

Sulfurous acid

Answer 122

HSO₃

Question 123

Chlorous acid

Answer 123

HClO₂

Question 124

Phosphorous acid

Answer 124

H₃PO₃

Question 125

When naming an acid , the suffix ---- is added to the root name if the anion name ends in -ide

Answer 125

hydro----ic acid

Question 126

Cl- whats the acid name

Answer 126

HCl hydrochloric acid

Question 127

How do you name a multiple charge anion?

Answer 127

Cation + prefix-hydrogen (NO MONO!!) + anion

Question 128

Na₂HPO₄

Answer 128

Sodium hydrogen phosphate

Question 129

NaH₂PO₄

Answer 129

Sodium dihydrogen phosphate

Question 130

Dichromate formula

Answer 130

Cr₂O₇(2-)