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CHE 103 > Midterm 2 > Flashcards

Midterm 2 Flashcards

1
Q

H

A

Hydrogen

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2
Q

He

A

Helium

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3
Q

Li

A

Lithium

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4
Q

Be

A

Beryllium

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5
Q

B

A

Boron

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6
Q

C

A

Carbon

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7
Q

N

A

Nitrogen

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8
Q

O

A

Oxygen

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9
Q

F

A

Fluorine

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10
Q

Ne

A

Neon

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11
Q

Na

A

Sodium

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12
Q

Mg

A

Magnesium

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13
Q

Al

A

Aluminium

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14
Q

Si

A

Silicon

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15
Q

P

A

Phosphorus

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16
Q

S

A

Sulfer

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17
Q

Cl

A

Chlorine

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18
Q

Ar

A

argon

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19
Q

K

A

Potassium

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20
Q

Ca

A

Calcium

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21
Q

Sc

A

Scandium

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22
Q

Ti

A

titanium

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23
Q

V

A

Vanadium

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24
Q

Cr

A

Chromium

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25
Q

Mn

A

Manganese

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26
Q

Fe

A

Iron

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27
Q

Co

A

cobalt

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28
Q

Ni

A

Nickel

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29
Q

Cu

A

copper

30
Q

Zn

A

zinc

31
Q

Ga

A

gallium

32
Q

Ge

A

Germanium

33
Q

As

A

Arsenic

34
Q

Se

A

Selenium

35
Q

Br

A

Bromine

36
Q

Kr

A

Krypton

37
Q

The following, HCl + NaOH H2O + NaCl, qualifies as what type of reaction?

A

an acid-base neutralization

38
Q

Ammonium ion (NH4) has what charge

A

+1

39
Q

Nitrate (NO3) and Nitrite (NO2) has what type of charge

A

-1

40
Q

Hydroxide ion (OH) has what type of charge

A

-1

41
Q

acetate ion (C2H3O2) has what type of charge

A

-1

42
Q

Cyanide ion (CN) has what type of charge

A

-1

43
Q

permanganate ion (MnO4) has what type of charge

A

-1

44
Q

hypochlorite ion (CIO) has what type of charge

A

-1

45
Q

Chlorite ion (CIO2) has what type of charge

A

-1

46
Q

Chlorate ion (CIO3) has what type of charge

A

-1

47
Q

perchlorate ion (CIO4) has what type of charge

A

-1

48
Q

hydrogen carbonate ion (HCO3) has what type of charge

A

-1

49
Q

Carbonate ion (CO3) has what type of charge

A

2-

50
Q

Sulfate Ion (SO4) has what type of charge

A

-2

51
Q

dihydrogen phosphate ion (H2PO4) has what type of charge

A

-1

52
Q

hydrogen phosphate ion (HPO4)

A

-2

53
Q

Phosphate ion (PO4) has what type of charge

A

3-

54
Q

Precipitation

A

a solid compound is formed from two aqueous solutions

55
Q

Neutralization

A

an acid and a base react to form a salt and water

56
Q

oxidation

A

loss of electron

57
Q

reduction

A

gain of electron

58
Q

Redox (reduction-oxidation)

A

electrons are exchanged between atoms in the reacting compounds.

59
Q

How do you find the molar mass of a compound

A

add up the atomic mass for each atom in the compound

60
Q

Define Stoichiometry

A

The use of balanced chemical equations for quantifying the amount of materials in a given chemical reaction.

61
Q

Why can’t a chemical equation be balanced by changing the subscripts of the reactants and / or products?

A

Because changing the subscripts means changing the identity of the chemicals

62
Q

Ionic compounds are made up of ?

A

I metal (or transition metal) and 1 nonmetal

63
Q

Covalent Compounds are made up of ?

A

2 nonmetals

64
Q

Which type of compound uses prefixes like mono, di, and tri?

A

covalent

65
Q

Ionic compound must be (BLANK)

A

Neutral (a + charge has to cancel out a - charge)

66
Q

What must be included in the formula of any ionic compound?

A

A cation and an anion, written cation first, followed by anion.

67
Q

What ionic compound was found in George Trepal’s garage?

A

Thallium (I) nitrate.

68
Q

What is the phenomenon when cations and anions are arranged in a repeatable, three-dimensional pattern?

A

a crystal lattice

69
Q

The limiting reagent is the

A

actual yield

70
Q

Cation

A

Name of element

71
Q

Anion

A

Name of element with use suffix

CHE 103 (3 decks)

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