Chemistry Flashcards
(140 cards)
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.
1
Q
Is Carbon Monoxide a compound, mixture or element?
A
Compound. It has a chemical combination of carbon and oxygen
2
Q
Is red bull a compound, element or mixture?
A
Mixture. It doesn’t have a chemical formula
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
4
Q
List 3 indicators that a chemical reaction has occurred
A
Change in color, sound and hear gained/lost
5
Q
Provide the name of one of the two semiconductors
A
Silicon
6
Q
Provide the name of a transition element
A
Gold
7
Q
What is the maximum amount of electrons that a P orbital can accommodate?
A
P= 6 electrons
8
Q
What is the maximum amount of electrons that a D orbital can accommodate?
A
D= 10 electrons
9
Q
What is the maximum amount of electrons that a S orbital can accommodate?
A
S= 2 electrons
10
Q
What is the maximum amount of electrons that a F orbital can accommodate?
A
F= 14 electrons
11
Q
What’s the symbol for an element that has 47 protons in it’s nucleus?
A
Ag
12
Q
What is Ag’s atomic number?
A
47, atomic #= # of protons
13
Q
When a metal reacts chemically, does it gain or lose electrons?
A
Loses electrons
14
Q
When aluminum reacts chemically, does it gain or lose electrons?
A
Loses electrons
15
Q
When chemically reacting, do halogens gain or lose electrons?
A
Gains electrons
16
Q
How many electrons does halogen gain when reacting chemically?
A
Halogens gain one
17
Q
How many electrons does oxygen tend to gain when it reacts chemically?
A
Oxygen tends to gain 2 electrons
18
Q
What is the term for a material that can cause damage to an embryo/fetus?
A
Tetragen
19
Q
What is the term for a material that tends to burst into flames when exposed to air?
A
Pyrophoric
20
Q
True or False:
An irritant is a material that can cause cancer
A
False, they cause membrane/skin problems
21
Q
Does a highly toxic material have a high or low LD50?
A
Low. The lower, the more toxic!
22
Q
Which is more likely to support a fire, a flammable material or a combustible material?
A
Flammable
23
Q
What is the name given to the compound that causes cancer?
A
Carcinogen
24
What is the defining characteristic of mutagen?
Changes DNA
25
Water-based fire extinguishers should never be used on what type of material?
Water reactive material
26
Which poses a greater threat, a combustible or flammable material? Explain.
Flammable, because it catches fire more easily.
27
If a compound is pyrophoric, should water based fire extinguishers be used? Explain.
No! Pyrophores tend to burst into flames when exposed to air, so a water based extinguisher would just make it worse.
28
If a compound is lethal in extremely small amounts, will it have a large or small LD50? Explain.
Small; the lower the LD50, the more dangerous it is
29
Provide the correct name for:
| KHCO3
Potassium bicarbonate
30
Provide the correct name for:
| LiClO4
Lithium perchlorate
31
Provide the correct name for:
| As
Arsenic
32
Provide the correct name for:
| AgCN
Silver cyanide
33
Provide the correct name for:
| Fe(HSO4)4
Iron (IV) sulfate
34
Provide the correct name for:
| NH4CH3CO2
Ammonium acetate
35
Provide the correct name for:
| Cr(CN)6
Chromium (VI) cyanide
36
Provide the correct formula for:
| Mercury
Hg
37
Provide the correct formula for:
| Helium
He
38
Provide the correct formula for:
| Sodium
Na
39
Provide the correct formula for:
| Potassium iodide
KI
40
Provide the correct formula for:
| Calcium acetate
Ca(CH3CO2)2
41
Provide the correct formula for:
| Boron iodide
BrI3
42
Provide the correct formula for:
| Aluminum nitride
AlN
43
Provide the correct formula for:
| Ammonium permanganate
NH4MnO4
44
Provide the correct formula for:
| Nickel (II) hydroxide
Ni(HO)2
45
Provide the correct formula for:
| Lead (III) chromate
Pb2(CrO4)3
46
Is this a chemical or physical change?:
| Making ice in the freezer
Physical, because you're not changing any chemicals in this; no new compound was made
47
Is this a chemical or physical change?:
| Burning Mg strips
Chemical change, because a new compound was made
48
Is this a chemical or physical change?:
| Whiskey mash is distilled
Physical, no new compounds were made
49
Is this a chemical or physical change?:
| Yeast ferment sugars in wine making
Chemical, new compounds were made
50
Is this a chemical or physical change?:
| Wood burned in fire
Chemical, a new compound was made
51
Is this a chemical or physical change?:
| Filtering drinking water
Physical because no new compounds were formed
52
Is this a chemical or physical change?:
| Adding elemental sodium to water
Chemical, because you're creating a new chemical
53
Is this a chemical or physical change?:
| A piece of iron rusts
Chemical
54
Is this a chemical or physical change?:
| A chipotle burrito is digested
Chemical, because new gassy chemicals are formed hahhaah
55
What 2 subatomic particles contribute most to the mass of an atom?
Protons & Neutrons
56
The atomic # is equal to the # of what 2 subatomic #s?
Subatomic #= protons + electrons
57
Can the # of electrons change in a chemical reaction?
Yes, they can be lost or gained
58
How many neutrons does
of neutrons= Mass - protons= 198-79= 119 neutrons
59
What charge will an alkaline earth metal have after it reacts?
+2
60
Provide the symbol for a Nobel Gas
He
61
What is the name of the group of elements that wants to gain 1 electron when they react?
Halogens
62
What's the name of the group of elements that have their outermost electron in the D orbital?
Transition metals
63
When a non-metal reacts with a metal, which one takes electrons?
Non-metals
64
What is the name of the non-metal that tends to share electron rather than gain or lose them?
Carbon (the whore)
65
What is the symbol for the element with 18 electrons & a -2 charge?
S
66
What's the name of the family to which boron belongs?
Metaloids
67
What's the name of the family that wants to lose 2 electrons when they react?
Alkalide earth metals
68
When metals react, do they tend to take on a positive, negative or no charge?
Positive, because they lose electrons!
69
Bonus question:
| What's Dr. Baker's e-mail address?
Bakerw@seminolestate.edu
70
Bonus question:
| When are the outlines due for lab and what happens if they're not in on time?
Before lab, you get a 0 if turned in late
71
When oxygen reacts chemically, does it tend to gain or lose electrons?
Gain
72
How many electrons does magnesium tend to lose when it reacts chemically?
2
73
When chemically reacting, how many electrons do halogens metals tend to gain?
1
74
When chemically reacting, does carbon tend to gain, lose or share electrons?
Share! Carbon is the whore (remember)
75
Which branch of chemistry deals with carbon?
Organic
76
What is the term for a material that tends to cause burning of the skin?
Irritant
77
Should a water-based extinguisher be used on a water-reactive chemical?
No!
78
What is Hg?
Mercury
79
What is Br?
Bromine
80
What is N?
Nitrogen
81
What is C?
Carbon
82
Give the name for the formula:
| NaI
Sodium iodide
83
Give the name for the formula:
| CaCl2
Calcium Chloride
84
Give the name for the formula:
| Mg(HCO3)2
Magnesium Bicarbonate
85
Give the name for the formula:
| Na2HPO4
Disodium hydrogen phosphate
86
Give the name for the formula:
| KMnO4
Potassium permanganate
87
Give the name for the formula:
| PbO2
Lead (III) Oxide
88
Provide the symbol for:
| Arsenic
As
89
What is the name of the symbol As
Arsenic
90
Provide the symbol for:
| Phosphorus
P
91
What is the name for the symbol P?
Phosphorus
92
Provide the formula for:
| Boron iodide
BI3
93
Provide the formula for:
| Lithium acetate
LiCH3CO2
94
Provide the formula for:
| Ammonium cyanide
NH4CN
95
Provide the formula for:
| Strontium hydride
SrH2
96
What is the symbol and charge for strontium?
Sr +2
97
What is the symbol and charge for hydride?
H2 -1
98
What is the name of the symbol Sr?
Strontium
99
Provide the formula for:
| Aluminum bisulfate
Al(HSO4)3
100
Provide the formula for:
| Hydrogen Nitride
NH3
101
Provide the formula for:
| Copper(IV) chlorite
Cu(ClO2)4
102
Provide the formula for:
| Uranium (VI) Nitrate
U(NO3)6
103
Balance this chemical reactions:
| Na + O2 --> Na2O
4Na + O2 --> 2Na2O
104
Balance this chemical reactions:
| B + S --> B2S3
2B + 3S --> B2S3
105
Extra Credit:
| If you miss an exam or a lab, how long can you wait to contact the instructor?
Contact instructor immediately!
106
Is morphine a compound, mixture or element?
Morphine is a compound. It has a formula
107
Is aluminum foil an element, compound or mixture?
Aluminum foil is an element because it has pure Al in it and its a compound, Al2O3
108
Is this a chemical or physical change?:
| Glass is melted in a furnace
Physical, no change in chemicals
109
Is this a chemical or physical change?:
| Marker ink is separated as we did in the lab
Physical, no new chemicals were formed
110
Is this a chemical or physical change?:
| Sodium metal & water are combined as we did in lab
Chemical, new changes were formed
111
What is the atomic number and symbol for gold?
Au 79
112
What is the symbol for bromine?
Br
113
To what periodic family does bromine belong?
Halogens
114
If an element has 6 protons in its nucleus and has a mass of 14 a.m.u how many neutrons does it have?
neutrons = mass - protons
= 14-6
= 8
115
When alkaline earth metals react chemically, do they tend to gain or lose electrons?
Lose (2)
116
How many electrons does nitrogen ten to gain when it reacts chemically?
3
117
How many electrons (if any) do noble gases need to fail their outer most p orbital?
None, they're already filled
118
True or false:
| A combustible compound is safer than a flammable compound
True
119
True or false:
| The LD50 is a neater of how much material is needed to support a fire
False! The LD50 is a measure of toxicity
120
What is a pyrophore?
A compound that reacts with air to generate fire
121
What is Fe?
Iron
122
What is the symbol for iron?
Fe
123
What is the name for:
| H2S
Hydrogen sulfide
124
What is the name for:
| K3PO4
Tripotassium phosphate
125
What is the name for:
| Li3N
Lithium nitride
126
What is the name for:
| MgSO3
Magnesium sulfite
127
What is the name for:
| NaHSO4
Sodium bisulfate
128
What is the name for:
| CrO3
Chromium(VI) Oxide
129
What is the name for:
| SnF4
Strontium (IV) Fluoride
130
Provide the formula for:
| Aluminum oxide
Al2O3
131
Provide the formula for:
| Magnesium acetate
Mg(CH3CO2)2
132
Provide the formula for:
| Ammonium perchlorate
NH4ClO4
133
Provide the formula for:
| Boron hydride
BH3
134
Provide the formula for:
| Calcium hypochlorite
Ca(ClO)2
135
Provide the formula for:
| Silver chloride
AgCl
136
Provide the formula for:
| Uranium (VI) Fluoride
UF6
137
Provide the formula for:
| Lead (IV) Nitrite
Pb(NO2)4
138
Is this an element, compound or mixture?:
| Co
Element, on the periodic table
139
Is this an element, compound or mixture?:
| CO
Compound, it has a chemical formula
