Exam 1 Flashcards
(76 cards)
1
Q
Polyatomic ions
A
Ions that contain more than 1 atom covalently bond
2
Q
NH4+
A
Ammonium
3
Q
CN-
A
Cyanide
4
Q
CLO-
A
Hypochlorite
5
Q
ClO2-
A
Chlorite
6
Q
ClO3-
A
Chlorate
7
Q
ClO4-
A
Perchlorate
8
Q
Dihydrogen Phosphate
A
H2PO4-
9
Q
Hydrogen carbonate(bicarbonate)
A
HCO3-
10
Q
HSO4-
A
Hydrogen sulfate
11
Q
OH-
A
Hydroxide
12
Q
Permanganate
A
MnO4-
13
Q
NO2-
A
Nitrite
14
Q
Nitrate
A
NO3-
15
Q
SO3^2-
A
Sulfite
16
Q
SO4^2-
A
Sulfate
17
Q
If an ionic compound has more than 1 oxidation state
A
Full name of metal + Roman numeral to designate charge
18
Q
If an ionic compound has a polyatomic anion present
A
Anion name stays the same
19
Q
If an ionic compound has a polyatomic anion not present
A
Non metal ends in ide
20
Q
Covalent acids ending in ide
A
Hydro-anion- ic acid
21
Q
No ide ions get…
A
-ate or -ite ion
22
Q
ate=
A
ic acid
23
Q
ite=
A
-ous acid
24
Q
Non acids use prefixes ending in
A
ide
25
Matter
Anything that has mass or has the properties of inertia
26
Made up of more than 1 type of element
Compound
27
_________ are combinations of elements or compounds and are are classified as either _________ with a single phase of matter or heterogeneous with multiple phases
Mixtures
| Homogeneous
28
Uniform=
Homogeneous
29
Physical change
Just a change in the state of the material
| Ex) water changing from liquid to gas
30
Involves breaking and or making chemical bonds
Chemical Change
31
Intensive physical properties do not vary by the _____ of the sample present
Amount
32
Extensive physical properties
change with the amount of matter
33
T/F
| Chemical properties describe behavior in chemical reaction
True
34
Combustibility
Ability of something to burn
35
Oxidation Potential
Ability of substance to lose electrons
36
Length=
Meter
37
Time=
Seconds
38
Temperature
Kelvin
39
Amount of a substance
Mole
40
Mass
kg
41
Nano
10^-9
42
Micro
10^-6
43
Milli
10^-3
44
Centi
10^-2
45
Deci
10^-1
46
Kilo
10^3
47
Mega
10^6
48
Giga
10^9
49
T/F
| You will always need more of small unit equal to less of a larger unit
True
50
Accuracy
How close the measurement is to the true value
51
Precision
How close measured values are to one another
52
Systematic error: _________ error associated with an imperfection in an instrument or a procedure
Consistent
53
Random error
Can be minimized with repeated trials
54
m/v
Density
55
Density
Represents the amount of matter in a volume
56
The mass of the substances before and after a reaction are the same
Law of conservation of mass
57
Law of definite proportions: the ____ ratio of _______ in a compound does not change
Mass
| Elements
58
Law of multiple proportions
Elements can combine in different ratios to make different compounds
59
Atoms are defined by
their atomic number/ number of protons
60
Mass number
Number of particles in the nucleus
61
Isotopes
Atoms of the same element with different number of neutrons
62
Calculating average atomic mass
Sum of (mass isotope)(fractional abundance)
63
Masses and abundances of isotopes are determined with
Mass spectrometer
64
Groups=
columns
65
Rows
Periods
66
Cations
Positive ions created when a neutral atom loses electrons
67
Anions: _________ ions created when a _______ atom gains electrons
Negative
| Neutral
68
Mono
1
69
Di
2
70
Tri
3
71
tetra
4
72
5
Penta
73
hexa
6
74
8
Octa
75
9
Nona
76
Deca
10
