Gen Chem Exam 1 – Flashcards

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Carbonate

 

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CO3 -2

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Hydrogen Carbonate 

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HCO3 -

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Nitrite

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NO2 - 

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Nitrate

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NO3

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Phosphate

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PO4 -3

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Hydrogen Phosphate

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HPO4 -2

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Dihydrogen Phosphate

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HPO4 -

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Hydroxide

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OH -

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Sulfite

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SO3 -2

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Sulfate

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SO4 -2

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Hydrogen Sulfate

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HSO3

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Hypobromite

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BrO -

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Bromite

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BrO2 - 

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Bromate 

 

 

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BrO3 -

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PerBromate

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BrO4 - 

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Ammonium

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NH4 +

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Acid formula starts with:

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H

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Base formula contains:

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OH

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A salt is:

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The ionic product of an acid-base neutraliazation reaction.

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CaO:

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Calcium oxide

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AlCl3:

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Aluminum chloride

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CuCO3:

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Copper (II) Carbonate

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Element:

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Simplest form of matter, cannot be decomposed into simpler substances, made up of only one type of atom.
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Compound

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Made of elements, elements are always present in the same proportion, different properties from the elements that make it up
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Types of compounds:

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1. Ionic

2. Molecular

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K = 

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C + 273.15

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1 mm = __ m

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0.001 m

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1 microgram = ___ g

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10-6 g

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1 nm = ___ m 

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10-9 m

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1 kg = ___ g

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1000 g

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1 dm = ___ cm

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10 cm 

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1 Mton = ___ ton 

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106 ton 

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1 L = ___ dm3 = ___ cm3

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1 dm3 = 1000 cm3

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Precision = 

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repeatability

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Accuracy = 

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closeness to true value 

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1 u = ___ g 

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1.661 x 10-24

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Atomic number =

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the number of protons in the atom (an atom's identity)

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Mass number =

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the number of protons and neutrons in an atom;

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Isotopes =

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elements made of the same atoms (same atomic number), but the atoms have different masses (different number of neutrons)
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Atomic weight =;

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the weighted average of all naturally occurring isotopes, this is the number shown on the periodic table
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1 mol = _______

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6.022 x 1023

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1A

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alkali metals;

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2A

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alkaline earth metals

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6A

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chalcogens

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7A

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halogens

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8A

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noble gases;

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Empirical formula:

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smallest whole number ratio of atoms in a compound
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Molecular formula:

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actual number of atoms in a molecule of the compound;
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Structural/Condensed formulas:

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show picture/give information on the structure of the molecules;
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Molecular compound =;

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nonmetal + nonmetal;

covalent bonds (share e-s)

no charges involved

can't always predict formula

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Ionic compound = 

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metal + nonmetal

cations + anions

ionic bonds (electrostatic attrctn)

3D structures

 

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Acid produces __(aq) in water:

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H+ (aq)

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Base produces ___(aq) in water:

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OH-(aq)

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-ide to      acid 

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hydro__ic acid

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-ite to    acid 

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___ous acid 

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-ate to       acid 

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____ic acid 

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molecular formula = x/y times z

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= molecular weight/empirical weight x empirical formula

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