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CHEM by LANCI 1 Flashcards

1
Q

What is the chemical symbol for the element potassium?

A

k

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2
Q

What is the standard unit of length?

A

meter

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3
Q

What is the Carbonate radical charge?

A

-2

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4
Q

Which radical contains the greater number of oxygen atoms?

sulfate or sulfite

A

sulfate

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5
Q

Nonmetals and halogens are electron___________

A

RECEIVERS

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6
Q

Aluminum has a valence of what?

A

+3

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7
Q

Which of the following is a noble gas?

Ag,Ar, Br, CO2

A

Ar

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8
Q

What is the name of the radical with the symbol (NO3)-1

A

nitrate

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9
Q

What is Oxygen?

metal, non-metal, metalloid, noble gas

A

Non Metal

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10
Q

WHAT is defined as anything that has mass and occupies space.
volume,matter, plasma, weight

A

MATTER

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11
Q

A liquid’s resistance to flow is called its WHAT?

A

viscosity

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12
Q

In Physical Matter: mass divided by volume is known as WHAT?

A

density

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13
Q

The conversion of a solid to a gas without passing through liquid form is WHAT

A

sublimation

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14
Q

The physical state of matter that has no definite shape and no definite volume is called WHAT.

A

gas

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15
Q

The smallest fundamental unit of an element that maintains all the distinguishing features of that element is a(n) __________?

A

ATOM

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16
Q 
The type of water that does contain minerals in solution, but not in sufficient quantities to destroy the cleansing action of soap is WHAT?
    hard water
    soft water
    permanent hard water
    temporary hard water
A

soft water

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17
Q 
A pH of 6.1 is considered WHAT?
    alkaline
    acidic
    neutral
    basic
A

ACIDIC

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18
Q 
WHAT can be defined as the union of the hydrogen ions of an acid with the hydroxyl ions of a base to form water, a neutral substance.
    neutralization
    hydrolysis
    acidification
    dessication
A

NEUTRALIZATION

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19
Q 
Which compound is released as putrefactive bacteria act on nitrogenous organic matter?
    NH2
    NO2
    NH3
    HCHO
A

NH3

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20
Q

During dissociation, the positive poles are called WHAT?

A

ANODES

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21
Q 
WHAT IS the saturated hydrocarbon containing six carbon atoms called:
ethane
hexane
decane
propane
A

HEXANE

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22
Q 
When an alkane loses a hydrogen, a(n) \_\_\_\_\_\_\_\_\_\_\_\_\_ can attach at that point.
    metal
    functional group
    alkyl group
    radical
A

FUNCTIONAL GROUP

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23
Q 
WHAT IS Ar-X is the general formula for?
    aromatic aldehyde
    aromatic halide
    aromatic ketone
    Argon atom
A

AROMATIC HALIDE

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24
Q 
What is the functional group for an amine?
    R-COOH
    NH3
    R-NH2
    NH2
A

NH2

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25
Q 
organic compounds  are NOT WHAT?
    usually flammable
    slow to react
    covalently bonded
    soluble in water
A

soluble in water

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26
Q

GIVEN THIS EQUATION:
2H2(g) + O2(g) → 2H2O(l)
WHAT IS O2(g) is in the reaction?

A

reactant

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27
Q

Use the molecular coefficient to determine the number of each element present in 3CO2.

A

C=3

O=6

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28
Q

Which subatomic particle has a positive charge?

A

PROTON

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29
Q

WHAT is the solvent in an aqueous solution.

A

WATER

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30
Q 
Which of these do NOT influence Diffusion?
agitation 
concentration 
pressure
temperature
A

pressure

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31
Q

The element Be has:
atomic number: 4
atomic mass: 9
Identify the correct number of protons, electrons, neutrons, and valence for this element .

A

Protons= 4
Electrons=4
Neutrons=5
Valence +2

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32
Q 
Metals form which type of ions? 
    anions 
    cations
    neutral ions 
   NONE of the above
A

CATIONS

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33
Q 
A solution that contains more of the solute than could be dissolved by the solvent under normal conditions is a \_\_\_\_\_\_ solution.  	
    dilute 
    unsaturated 
    saturated 
    supersaturated
A

SUPER

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34
Q

Formaldehyde is mixed with WHAT to form Formalin?

A

Methyl Alcohol

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35
Q

Elements are arranged on the periodic table by WHAT?

A

ATOMIC NUMBER

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36
Q 
All of the following are metalloids EXCEPT. 
    Silicon Si
    Arsenic As
    Aluminum Al
    Antimony Sb
A

ALUMINUM

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37
Q

Heat is released in WHAT type of reaction?

A

exothermic

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38
Q

What is the number of protons, electrons, and neutrons for these
C-12
C-13
C-14

A

ISOTOPES.. do the math!

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39
Q

When bonds are formed by shared electrons they are called WHAT

A

COVALENT

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40
Q 
Which  forms positive ions?
metalloids
non-metals
 metals 
isotopes
A

METALS

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41
Q

WHAT IS A CATALYST

A

It effects a reaction by speeding i up or slowing is down without being consumed itself in the reaction

42
Q

DIFFUSION IS WHAT?

A

is the process by which molecules, ions, or colloidal particles in solution move from an area of greater concentration to an area of lesser concentration until uniform concentration is achieved.

43
Q

What is the compound that results from the combination of Na +and Cl-?

44
Q 
Cells in a hypotonic solution swell and break. WHAT IS THAT CALLED?
    hemolysis 
    crenation 
    plasmoptysis 
    diffusion
45
Q

H2CO3 → CO2 + H2O is an example of what type of reaction?

A

DECOMPOSITION

46
Q

Acid + Base → Salt + Water is the formula for a _______ reaction.

A

NEUTRALIZATION

47
Q

If solutions A and B are of equal concentration they are said to be______

48
Q

WHAT IS BRONZE?

49
Q 
Name the compound N2O4. 
    dinitrogen tetroxide 
    nitrogen oxide 
    dinitrogen oxide 
    nitrogen teroxide
A

dinitrogen tetroxide

50
Q

WHATis a metal plus a hydroxide radical

51
Q

The branch of chemistry that studies the properties and reactions of elements, excluding organic or certain carbon-containing compounds is WHAT

A

INORGANIC CHEMISTRY

52
Q

Synonym for an element’s combining capacity, aka oxidation number, is WHAT

53
Q

The chemical symbol for the element Copper is WHAT

54
Q 
The two possible valences of the element Iron are
    Answer 	
    \+1 and +2
    -2 and -3
    \+2 and +3
    -1 and -2
55
Q 
Which  is a noble gas?
    Ne
    Cl
    N
    H
56
Q 
Which is a metal?
    Pb
    He
    O
   Hg
57
Q 
Mega- means
    1,000,000
    1/1,000,000
    1000
    10,000
58
Q 
The boiling point of water is
    232 degrees Fahrenheit
    98.6 degrees Fahrenheit
    100 degrees Fahrenheit
    100 degrees Celsius
A

100 Celsius

212 F

59
Q

1 cc = 1 mL

TRUE OR FALSE

A

TRUE

What does CC mean

60
Q

Weight and mass are interchangeable.

True or False

A

FAAAALSE. Think of yourself on the moon. You lose weight but not mass

61
Q

Solvation is a chemical change.

True or False

A

FALSE- disSOLVING something can be UNdissolved

62
Q 
Normal human body temperature is
    37 degrees Celsius
    37 degrees Fahrenheit
    98.6 degrees Celsius
    100 degrees celsius
A

37 and 98.6… you tell me which scale!

63
Q 
WHAT is a measure of the ability of an electric current or heat to flow through a substance.
    density
    conductivity
    hygroscopicity
    viscosity
A

CONDUCTIVITY. now define the others

64
Q 
The ratio of the density of a substance divided by the density of a standard is the WHAT of a substance.
    gravitational density
    reactivity
    specific density
    Specific gravity
A

Specific gravity- define the others

65
Q

The number 2 in the compound H2O is WHAT

A

SUBSCRIPT

what is coefficient?

66
Q 
The breaking down of water can be defined as WHAT
     oxidation
    reduction
    combustion
    hydrolysis
A

Oxidation.. pay attention!!!

what is reduction?

67
Q 
The addition of hydrogen to a compound or element is  WHAT
     hydrolysis
    oxidation
    reduction
    hydrogenation
A

reduction. look it up!

68
Q

Cremation of remains is a physical change.

TRUE OR FALSE

A

Can you UNcremate remains?

FALSE

69
Q

NH3 is neutralized by HCHO, forming urotropin and water.

True or False

70
Q

Unsaturated hydrocarbons contain single bonds.

True or False

A

FALSE- what contains single bonds?

71
Q 
The halogen that is a constituent of body proteins is WHAT
    carbon
    ammonia
    bromine
    nitrogen
A

NITROGEN.. WHY?

72
Q 
HCHO is the chemical formula for WHAT
    urotropin
    formaldehyde
    methenamine
    hydrocarbonic acid
A

Formaldehyde

73
Q 
The greater the delay to embalm after death occurs, the greater the build up of WHAT in the body.
    ammonia
    formaldehyde
    hydrocarbons
    propanol
A

AMMONIA- What makes ammonia in the body?

74
Q 
The saturated hydrocarbon with two carbons is the alkane known as
    butane
    methane
    ethane
   Urapane
A

ETHANE- what are the other prefixes?

75
Q 
Substances that cannot be broken down into simpler substances by chemical means are known as WHAT
    mixtures
    compounds
    elements
    molecules
A

ELEMENTS

Why not the others?

76
Q 
The symbol ↓ in a chemical equation means WHAT.  
    heat is added 
    a precipitate is formed 
    a catalyst is present 
    heat is released
A

PRECIPITATE

rain = precipitation and it drops DOWN like the arrow

77
Q

Loss of electrons equals negative valence.

True or False

A 
FALSE
GIVING UP (LOSING) ELECTRONS MAKES YOU POSITIVE CHARGED
78
Q

Electrons found in the outer orbit are known as the valence electrons.
True/False

A

TRUE

what’s another name for Orbit?

79
Q

A planetary electron is also known as a valence electron.

True/ False

A

FALSE- “planets” stay in orbit around the nucleus

80
Q

Formalin is composed of 40% formaldehyde by weight.

True/ False

A

FALSE- Why?

81
Q

A heterogeneous mixture consists of visibly different substances.
True/ False

A

Hetero means different. Homo means same

82
Q

The greater the difference in the concentrations of two solutions, the faster diffusion will take place.
True/ False

A

TRUE- solutions want to balance.. the bigger the difference, the faster the balance speed

83
Q 
Ca(OH)2 is named WHAT?
 calcium hydroxide 
 calcium hypochlorite
 calcium bicarbonate 
monocalcium amphibiouschloride
A

Calcium Hydroxide… WHY?

84
Q

The atomic number determines the number of protons.

True/ False

A

TRUE- if you got this wrong you fail automatically ( actually it is false.. the number of protons determines the atomic number!- VBL)

85
Q

Non-metals are electron donors.

True/ False

A

FALSE- remember metals tend to be + making them electron donors.. this makes non-metals the opposite

86
Q

The overall charge of the nucleus is positive.

True/ False

A

FALSE

just kidding.. true!

87
Q 
What solution contains a relatively small amount of solvent compared to solute. 
    saturated 
    dilute 
    concentrated 
    unsaturated
A

Concentrated- define the other three now

88
Q

Atoms of the same element that have a different number of neutrons are called WHAT?

A

Isotopes- what do they have the same of?

89
Q

Zn(OH)2 is an example of a(n)

BASE, HYDROXIDE, ACID, OXIDE

A

trick.. its a base and a hydroxide

90
Q

H2S is named WHAT

hydrosulfuric acid 
hydrogen sulfide 
hydrogen sulfate 
sulfurous acid
A

Hydrosulfuric Acid

91
Q

Which of the following would be considered a medium index arterial fluid?

1) 24
2) 25
3) 26
4) 27
A

24 and 25 both

92
Q

What is the number used to represent the number of electrons lost, gained, or shared in a chemical reaction?

A

VALENCE NUMBER

93
Q 
Pb3(PO4)2 is WHAT
 lead phosphite 
 lead phosphorous 
 lead phosphate 
 phosphoric phosphate
A

lead phosphate

WHY isnt it phosphite?

94
Q

What is a substance that will change the rate of a reaction yet is unchanged itself.
catalyst
anion
isotope

A

Catalyst- why?

95
Q 
What is defined as the number of grams of pure formaldehyde gas dissolved in 100 mLs of solution? 
    % by volume 
    % of gas 
    index
    ratio
96
Q 
What process allows the passage of solute molecules through a semi-permeable membrane holding back larger molecules but allowing smaller molecules to pass? 
    solvation 
    dialysis 
    diffusion 
    osmosis
A

Dialysis- what does your kidney do? what is osmosis?

97
Q 
What are the horizontal rows on the periodic table called? 
    columns
    rows
    groups
    periods
A

Periods. the rows are called periods.

What are the columns called?

98
Q

The atomic mass is WHAT?

A

sum total of protons and neutrons

99
Q

What are the three factors that effect chemical reactions?

1) catalyst
2) pressure
3) molecular weight
4) concentration
100
Q

What is the most common symbol seen between the two sides of an equation?

AAMI TEST PREP (4 decks)

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