Chemistry Flashcards

0
Q

Is Tylenol a compound, mixture or element?

A

Compound. It has a chemical combination, but could also be a mixture if it in less fillers, binders, etc.

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1
Q

Is Carbon Monoxide a compound, mixture or element?

A

Compound. It has a chemical combination of carbon and oxygen

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2
Q

Is red bull a compound, element or mixture?

A

Mixture. It doesn’t have a chemical formula

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3
Q

Is trisodium phosphate a compound, element or mixture?

A

This is a household cleaner. It’s a compound because it has a chemical formula

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4
Q

List 3 indicators that a chemical reaction has occurred

A

Change in color, sound and hear gained/lost

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5
Q

Provide the name of one of the two semiconductors

A

Silicon

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6
Q

Provide the name of a transition element

A

Gold

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7
Q

What is the maximum amount of electrons that a P orbital can accommodate?

A

P= 6 electrons

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8
Q

What is the maximum amount of electrons that a D orbital can accommodate?

A

D= 10 electrons

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9
Q

What is the maximum amount of electrons that a S orbital can accommodate?

A

S= 2 electrons

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10
Q

What is the maximum amount of electrons that a F orbital can accommodate?

A

F= 14 electrons

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11
Q

What’s the symbol for an element that has 47 protons in it’s nucleus?

A

Ag

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12
Q

What is Ag’s atomic number?

A

47, atomic #= # of protons

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13
Q

When a metal reacts chemically, does it gain or lose electrons?

A

Loses electrons

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14
Q

When aluminum reacts chemically, does it gain or lose electrons?

A

Loses electrons

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15
Q

When chemically reacting, do halogens gain or lose electrons?

A

Gains electrons

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16
Q

How many electrons does halogen gain when reacting chemically?

A

Halogens gain one

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17
Q

How many electrons does oxygen tend to gain when it reacts chemically?

A

Oxygen tends to gain 2 electrons

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18
Q

What is the term for a material that can cause damage to an embryo/fetus?

A

Tetragen

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19
Q

What is the term for a material that tends to burst into flames when exposed to air?

A

Pyrophoric

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20
Q

True or False:

An irritant is a material that can cause cancer

A

False, they cause membrane/skin problems

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21
Q

Does a highly toxic material have a high or low LD50?

A

Low. The lower, the more toxic!

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22
Q

Which is more likely to support a fire, a flammable material or a combustible material?

A

Flammable

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23
Q

What is the name given to the compound that causes cancer?

A

Carcinogen

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24
Q

What is the defining characteristic of mutagen?

A

Changes DNA

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25
Q

Water-based fire extinguishers should never be used on what type of material?

A

Water reactive material

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26
Q

Which poses a greater threat, a combustible or flammable material? Explain.

A

Flammable, because it catches fire more easily.

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27
Q

If a compound is pyrophoric, should water based fire extinguishers be used? Explain.

A

No! Pyrophores tend to burst into flames when exposed to air, so a water based extinguisher would just make it worse.

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28
Q

If a compound is lethal in extremely small amounts, will it have a large or small LD50? Explain.

A

Small; the lower the LD50, the more dangerous it is

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29
Q

Provide the correct name for:

KHCO3

A

Potassium bicarbonate

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30
Q

Provide the correct name for:

LiClO4

A

Lithium perchlorate

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31
Q

Provide the correct name for:

As

A

Arsenic

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32
Q

Provide the correct name for:

AgCN

A

Silver cyanide

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33
Q

Provide the correct name for:

Fe(HSO4)4

A

Iron (IV) sulfate

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34
Q

Provide the correct name for:

NH4CH3CO2

A

Ammonium acetate

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35
Q

Provide the correct name for:

Cr(CN)6

A

Chromium (VI) cyanide

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36
Q

Provide the correct formula for:

Mercury

A

Hg

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37
Q

Provide the correct formula for:

Helium

A

He

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38
Q

Provide the correct formula for:

Sodium

A

Na

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39
Q

Provide the correct formula for:

Potassium iodide

A

KI

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40
Q

Provide the correct formula for:

Calcium acetate

A

Ca(CH3CO2)2

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41
Q

Provide the correct formula for:

Boron iodide

A

BrI3

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42
Q

Provide the correct formula for:

Aluminum nitride

A

AlN

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43
Q

Provide the correct formula for:

Ammonium permanganate

A

NH4MnO4

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44
Q

Provide the correct formula for:

Nickel (II) hydroxide

A

Ni(HO)2

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45
Q

Provide the correct formula for:

Lead (III) chromate

A

Pb2(CrO4)3

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46
Q

Is this a chemical or physical change?:

Making ice in the freezer

A

Physical, because you’re not changing any chemicals in this; no new compound was made

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47
Q

Is this a chemical or physical change?:

Burning Mg strips

A

Chemical change, because a new compound was made

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48
Q

Is this a chemical or physical change?:

Whiskey mash is distilled

A

Physical, no new compounds were made

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49
Q

Is this a chemical or physical change?:

Yeast ferment sugars in wine making

A

Chemical, new compounds were made

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50
Q

Is this a chemical or physical change?:

Wood burned in fire

A

Chemical, a new compound was made

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51
Q

Is this a chemical or physical change?:

Filtering drinking water

A

Physical because no new compounds were formed

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52
Q

Is this a chemical or physical change?:

Adding elemental sodium to water

A

Chemical, because you’re creating a new chemical

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53
Q

Is this a chemical or physical change?:

A piece of iron rusts

A

Chemical

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54
Q

Is this a chemical or physical change?:

A chipotle burrito is digested

A

Chemical, because new gassy chemicals are formed hahhaah

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55
Q

What 2 subatomic particles contribute most to the mass of an atom?

A

Protons & Neutrons

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56
Q

The atomic # is equal to the # of what 2 subatomic #s?

A

Subatomic #= protons + electrons

57
Q

Can the # of electrons change in a chemical reaction?

A

Yes, they can be lost or gained

58
Q

How many neutrons does

A

of neutrons= Mass - protons= 198-79= 119 neutrons

59
Q

What charge will an alkaline earth metal have after it reacts?

A

+2

60
Q

Provide the symbol for a Nobel Gas

A

He

61
Q

What is the name of the group of elements that wants to gain 1 electron when they react?

A

Halogens

62
Q

What’s the name of the group of elements that have their outermost electron in the D orbital?

A

Transition metals

63
Q

When a non-metal reacts with a metal, which one takes electrons?

A

Non-metals

64
Q

What is the name of the non-metal that tends to share electron rather than gain or lose them?

A

Carbon (the whore)

65
Q

What is the symbol for the element with 18 electrons & a -2 charge?

A

S

66
Q

What’s the name of the family to which boron belongs?

A

Metaloids

67
Q

What’s the name of the family that wants to lose 2 electrons when they react?

A

Alkalide earth metals

68
Q

When metals react, do they tend to take on a positive, negative or no charge?

A

Positive, because they lose electrons!

69
Q

Bonus question:

What’s Dr. Baker’s e-mail address?

A

Bakerw@seminolestate.edu

70
Q

Bonus question:

When are the outlines due for lab and what happens if they’re not in on time?

A

Before lab, you get a 0 if turned in late

71
Q

When oxygen reacts chemically, does it tend to gain or lose electrons?

A

Gain

72
Q

How many electrons does magnesium tend to lose when it reacts chemically?

A

2

73
Q

When chemically reacting, how many electrons do halogens metals tend to gain?

A

1

74
Q

When chemically reacting, does carbon tend to gain, lose or share electrons?

A

Share! Carbon is the whore (remember)

75
Q

Which branch of chemistry deals with carbon?

A

Organic

76
Q

What is the term for a material that tends to cause burning of the skin?

A

Irritant

77
Q

Should a water-based extinguisher be used on a water-reactive chemical?

A

No!

78
Q

What is Hg?

A

Mercury

79
Q

What is Br?

A

Bromine

80
Q

What is N?

A

Nitrogen

81
Q

What is C?

A

Carbon

82
Q

Give the name for the formula:

NaI

A

Sodium iodide

83
Q

Give the name for the formula:

CaCl2

A

Calcium Chloride

84
Q

Give the name for the formula:

Mg(HCO3)2

A

Magnesium Bicarbonate

85
Q

Give the name for the formula:

Na2HPO4

A

Disodium hydrogen phosphate

86
Q

Give the name for the formula:

KMnO4

A

Potassium permanganate

87
Q

Give the name for the formula:

PbO2

A

Lead (III) Oxide

88
Q

Provide the symbol for:

Arsenic

A

As

89
Q

What is the name of the symbol As

A

Arsenic

90
Q

Provide the symbol for:

Phosphorus

A

P

91
Q

What is the name for the symbol P?

A

Phosphorus

92
Q

Provide the formula for:

Boron iodide

A

BI3

93
Q

Provide the formula for:

Lithium acetate

A

LiCH3CO2

94
Q

Provide the formula for:

Ammonium cyanide

A

NH4CN

95
Q

Provide the formula for:

Strontium hydride

A

SrH2

96
Q

What is the symbol and charge for strontium?

A

Sr +2

97
Q

What is the symbol and charge for hydride?

A

H2 -1

98
Q

What is the name of the symbol Sr?

A

Strontium

99
Q

Provide the formula for:

Aluminum bisulfate

A

Al(HSO4)3

100
Q

Provide the formula for:

Hydrogen Nitride

A

NH3

101
Q

Provide the formula for:

Copper(IV) chlorite

A

Cu(ClO2)4

102
Q

Provide the formula for:

Uranium (VI) Nitrate

A

U(NO3)6

103
Q

Balance this chemical reactions:

Na + O2 –> Na2O

A

4Na + O2 –> 2Na2O

104
Q

Balance this chemical reactions:

B + S –> B2S3

A

2B + 3S –> B2S3

105
Q

Extra Credit:

If you miss an exam or a lab, how long can you wait to contact the instructor?

A

Contact instructor immediately!

106
Q

Is morphine a compound, mixture or element?

A

Morphine is a compound. It has a formula

107
Q

Is aluminum foil an element, compound or mixture?

A

Aluminum foil is an element because it has pure Al in it and its a compound, Al2O3

108
Q

Is this a chemical or physical change?:

Glass is melted in a furnace

A

Physical, no change in chemicals

109
Q

Is this a chemical or physical change?:

Marker ink is separated as we did in the lab

A

Physical, no new chemicals were formed

110
Q

Is this a chemical or physical change?:

Sodium metal & water are combined as we did in lab

A

Chemical, new changes were formed

111
Q

What is the atomic number and symbol for gold?

A

Au 79

112
Q

What is the symbol for bromine?

A

Br

113
Q

To what periodic family does bromine belong?

A

Halogens

114
Q

If an element has 6 protons in its nucleus and has a mass of 14 a.m.u how many neutrons does it have?

A

neutrons = mass - protons
= 14-6
= 8

115
Q

When alkaline earth metals react chemically, do they tend to gain or lose electrons?

A

Lose (2)

116
Q

How many electrons does nitrogen ten to gain when it reacts chemically?

A

3

117
Q

How many electrons (if any) do noble gases need to fail their outer most p orbital?

A

None, they’re already filled

118
Q

True or false:

A combustible compound is safer than a flammable compound

A

True

119
Q

True or false:

The LD50 is a neater of how much material is needed to support a fire

A

False! The LD50 is a measure of toxicity

120
Q

What is a pyrophore?

A

A compound that reacts with air to generate fire

121
Q

What is Fe?

A

Iron

122
Q

What is the symbol for iron?

A

Fe

123
Q

What is the name for:

H2S

A

Hydrogen sulfide

124
Q

What is the name for:

K3PO4

A

Tripotassium phosphate

125
Q

What is the name for:

Li3N

A

Lithium nitride

126
Q

What is the name for:

MgSO3

A

Magnesium sulfite

127
Q

What is the name for:

NaHSO4

A

Sodium bisulfate

128
Q

What is the name for:

CrO3

A

Chromium(VI) Oxide

129
Q

What is the name for:

SnF4

A

Strontium (IV) Fluoride

130
Q

Provide the formula for:

Aluminum oxide

A

Al2O3

131
Q

Provide the formula for:

Magnesium acetate

A

Mg(CH3CO2)2

132
Q

Provide the formula for:

Ammonium perchlorate

A

NH4ClO4

133
Q

Provide the formula for:

Boron hydride

A

BH3

134
Q

Provide the formula for:

Calcium hypochlorite

A

Ca(ClO)2

135
Q

Provide the formula for:

Silver chloride

A

AgCl

136
Q

Provide the formula for:

Uranium (VI) Fluoride

A

UF6

137
Q

Provide the formula for:

Lead (IV) Nitrite

A

Pb(NO2)4

138
Q

Is this an element, compound or mixture?:

Co

A

Element, on the periodic table

139
Q

Is this an element, compound or mixture?:

CO

A

Compound, it has a chemical formula