Gen Chem Exam 1 – Flashcards
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Carbonate
|
CO3 -2 |
Hydrogen Carbonate |
HCO3 - |
Nitrite |
NO2 - |
Nitrate |
NO3 - |
Phosphate |
PO4 -3 |
Hydrogen Phosphate |
HPO4 -2 |
Dihydrogen Phosphate |
HPO4 - |
Hydroxide |
OH - |
Sulfite |
SO3 -2 |
Sulfate |
SO4 -2 |
Hydrogen Sulfate |
HSO3 - |
Hypobromite |
BrO - |
Bromite |
BrO2 - |
Bromate
|
BrO3 - |
PerBromate |
BrO4 - |
Ammonium |
NH4 + |
Acid formula starts with: |
H |
Base formula contains: |
OH |
A salt is: |
The ionic product of an acid-base neutraliazation reaction. |
CaO: |
Calcium oxide |
AlCl3: |
Aluminum chloride |
CuCO3: |
Copper (II) Carbonate |
Element: |
| Simplest form of matter, cannot be decomposed into simpler substances, made up of only one type of atom. |
Compound |
| Made of elements, elements are always present in the same proportion, different properties from the elements that make it up |
Types of compounds: |
1. Ionic 2. Molecular |
K = |
C + 273.15 |
1 mm = __ m |
0.001 m |
1 microgram = ___ g |
10-6 g |
1 nm = ___ m |
10-9 m |
1 kg = ___ g |
1000 g |
1 dm = ___ cm |
10 cm |
1 Mton = ___ ton |
106 ton |
1 L = ___ dm3 = ___ cm3 |
1 dm3 = 1000 cm3 |
Precision = |
repeatability |
Accuracy = |
closeness to true value |
1 u = ___ g |
1.661 x 10-24 g |
Atomic number = |
the number of protons in the atom (an atom's identity) |
; ; Mass number = |
; ; the number of protons and neutrons in an atom; |
; ; Isotopes = |
| elements made of the same atoms (same atomic number), but the atoms have different masses (different number of neutrons) |
; ; Atomic weight =; |
| the weighted average of all naturally occurring isotopes, this is the number shown on the periodic table |
; ; 1 mol = _______ |
; ; 6.022 x 1023 |
; ; 1A |
; ; alkali metals; |
; ; 2A |
; ; alkaline earth metals |
; ; 6A |
; ; chalcogens |
; ; 7A |
; ; halogens |
; ; 8A |
; ; noble gases; |
; ; Empirical formula: |
| smallest whole number ratio of atoms in a compound |
; ; Molecular formula: |
| actual number of atoms in a molecule of the compound; |
; ; Structural/Condensed formulas: |
| show picture/give information on the structure of the molecules; |
; ; Molecular compound =; |
nonmetal + nonmetal; covalent bonds (share e-s) no charges involved can't always predict formula |
Ionic compound = |
metal + nonmetal cations + anions ionic bonds (electrostatic attrctn) 3D structures
|
Acid produces __(aq) in water: |
H+ (aq) |
Base produces ___(aq) in water: |
OH-(aq) |
-ide to acid |
hydro__ic acid |
-ite to acid |
___ous acid |
-ate to acid |
____ic acid |
molecular formula = x/y times z |
= molecular weight/empirical weight x empirical formula |
