Chem test 1 Flashcards
1
Q
Acetate
A
C2H3O2-
2
Q
Carbonate
A
CO32-
3
Q
Bicarbonate
A
HCO3-
4
Q
Hydroxide
A
OH-
5
Q
Nitrite
A
NO2-
6
Q
Chromate
A
CrO42-
7
Q
Phosphate
A
PO43-
8
Q
Hydrogen Phosphate
A
HPO42-
9
Q
Dihydrogen Phosphate
A
H2PO4-
10
Q
Ammonium
A
NH4+
11
Q
Hypochlorite
A
ClO-
12
Q
chlorite
A
ClO2-
13
Q
Chlorate
A
ClO3-
14
Q
Perchlorate
A
ClO4-
15
Q
Sulfite
A
SO32-
16
Q
Bisulfite
A
HSO3-
17
Q
Cyanide
A
CN-
18
Q
Iodate
A
IO3-
19
Q
Bromate
A
BrO3-
20
Q
Nitrate
A
NO3-
21
Q
Dichromate
A
Cr2O72-
22
Q
ionic compound always contain _______ and ____________ ions
A
positive and negative
23
Q
In ionic compounds, the formula reflects the
A
smallest whole number ratio
24
Q
What are the predictable ionic elements?
A
Groups 1 and 2
zinc
silver
aluminum
nitrogen
phosphorus
oxygen
sulfur
fluoride
chloride
bromide
iodide
25
What is aluminum's ionic charge?
Al3+
26
What is Zinc's ionic charge?
Zn2+
27
What is Silver's ionic charge?
Ag+
28
What are the steps to determining the chemical formula for ionic compounds?
Write the ions first
look at the charges
balance the charges
29
When you have 2 predictable ions that are not balanced, how do you balance them?
Swap the charges and place them in the subscripts
30
How to name a binary compound?
cation (metal) anion (nonmetal) replace the ending with -ide
31
Sulfate
SO42-
32
Bisulfate
HSO4-
33
what type of elements do we use the cation charge formula for?
transition metals
34
When do you use roman numeral when naming compounds?
When naming ions with multiple possible charges
35
How do you know when to use the molecular naming rules vs the ionic naming rules?
Ions have charges associated with them. Molecular compounds do not
36
Mono
1
37
Di
2
38
Tri
3
39
Tetra
4
40
Penta
5
41
Hexa
6
42
Hepta
7
43
Octa
8
44
Nona
9
45
Deca
10
46
When do you use prefixes for naming?
When naming molecular compounds
47
When do you reduce the formula to it's smallest ratio?
In Ionic formulas
48
Acids always start with
a Hydrogen
49
When naming acids that end in -Ide, add _____ to the beginning and change the ending to
Hydro
-Ic
my rIDE has HYDROlICs
50
When naming acids that end in -ate change the ending to
-ic
I ATE something ICky
51
When naming acids that end in -ite change the ending to
-ous
sprITE is deliciOUS
52
Main group elements bond in such a way that each atom has ______
8 electrons
53
In Ionic bonds, electrons are
given and taken
54
In covalent bonds, electrons are
shared between the two
55
Metals have low ionization energies and want to form
cations. They want to give up their electrons to become more stable
56
nonmentals have negative electron affinities and want to form
anions. They want to add electrons to become more stable
57
What are polar covalent bonds?
electrons are not shared equally with the electron density residing towards the more electronegative atom.
58
What are nonpolar covalent bonds?
electrons are essentially shared equally between the atoms
59
what does a high electronegativity mean?
high electron affinity
60
What are the nonpolar covalent bond examples?
carbon-hydrogen
carbon-carbon
bonds with 2 of the same atoms
i.e. hydrogen-hydrogen
