Adding up the electron configuration of an atom will be the same as

the number of electrons, the atomic number, the number of protons

Negative ions that form when a neutral atom gains electrons

Chromatography can be used to separate mixtures of

liquids and gases, liquids and gases, liquids and gases, liquids and gases

When you see the word AQUEOUS, you must think....

State of Matter; not Phase of Matter, Homogeneous Mixture, Dissolved in Water, Solution

Positive ions that form when a neutral atom loses electrons

What is the name of your best friend during the Regents Chemistry Exam?

Reference Tables for Physical Setting/ CHEMISTRY

the same molecular formula, different structural formula

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200 Ways to Pass the Chemistry Regents Exam

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Answers

1
Which subatomic particle is SUPER SUPER TINY and negatively charged
Neutron
Electron
Positron
Proton
2
Adding any reactant or product to a system at equilibrium will shift equilibrium
away from added substance
toward added substance
3
What kind of substances dissolve in water the best?
Very Nonpolar
Very Polar
Slightly Nonpolar
Slightly Polar
4
Substances containing metals and nonmetals are
ionic
molecular
5
Adding up the electron configuration of an atom will be the same as
the number of electrons
the atomic number
the number of protons
the number of neutrons
6
Changing a solution's pH from 3 to 5 decreases the H⁺ concentration by
2x
100x
20x
10x
7
The length of time it takes for one half of the atoms in a sample to radioactively decay
Fusion
Fission
Transmutation
Half-Life
8
What is the heat absorbed or released in a phase change between solid and liquid?
Heat of Vaporization
Heat of Fusion
Conductivity
Specific Heat
9
What is the charge of Lead in Pb(NO₃)₂
+2
+4
+1
-1
10
Catalysts speed up reactions by
increasing activation energy
lowering activation energy
decreasing energy of reactants
increasing energy of reactants
11
Vertical columns on the Periodic Table
Group
Period
12
The dots on a Lewis Dot Diagram represent
All Electrons
Valence Electrons
Innermost Shell Electrons
13
Dalton's model of the atom was
an empty cube
a solid cube
a solid sphere
an empty sphere
14
Group 17
Halogens
Noble Gases
Alkali Metals
Transition Metals
15
Mg + HCl → MgCl₂ + H₂ is what kind of reaction?
Synthesis
Decomposition
Single Replacement
Double Replacement
16
Bases have a pH range of
0-7
7-14
17
Acids have a pH range of
7-14
0-7
18
Anions are...
Negative ions that form when a neutral atom loses electrons
Negative ions that form when a neutral atom gains electrons
Positive ions that form when a neutral atom gains electrons
Positive ions that form when a neutral atom loses electrons
19
Which type of reaction releases the MOST energy?
Nuclear
Chemical
20
Chromatography can be used to separate mixtures of
liquids and gases
liquids and gases
liquids and gases
liquids and gases
21
Increasing the pressure will increase the reaction rate for
gases
solids
all of the above
liquids
22
Unstable atoms that are radioactive are called
Radioisomers
Radioions
Radioisotopes
23
Saturated hydrocarbons contain
triple bonds only
double or triple bonds
double bonds only
single bonds only
24
Horizontal Rows on the periodic table
Period
Group
25
Arrhenius Says...
Bases give off H+
Acids give off H+
Bases give off H3O+
26
Electronegativity _____ across a period, and _____ down a group
Decreases, Increases
Decreases, Decreases
Increases, Decreases
Increases, Increases
27
When you see the word AQUEOUS, you must think....
State of Matter; not Phase of Matter
Homogeneous Mixture
Dissolved in Water
Solution
28
On a cooling curve, a sloped line represents
Constant KE, Decreasing PE
Constant KE and PE
Decreasing KE, Constant PE
Decreasing KE and PE
29
mass number - atomic number = ?
Number of Electrons
Number of Protons
Number of Neutrons
30
What is a chemically combined substance of at least two kinds of atoms in a fixed ratio?
Compound
Solution
Element
Mixture
31
Number of Protons + Number of Neutrons of an atom equals what?
Atomic Number
Atomic Mass
Oxidation Number
Electron Configuration
32
Cations are...
Negative ions that form when a neutral atom gains electrons
Positive ions that form when a neutral atom gains electrons
Negative ions that form when a neutral atom loses electrons
Positive ions that form when a neutral atom loses electrons
33
AgNO₃ + KCl → AgCl + KNO₃ is what kind of reaction?
Single Replacement
Double Replacement
Synthesis
Decomposition
34
What is the name of your best friend during the Regents Chemistry Exam?
Commander
The Nerd Patrol
Reference Tables for Physical Setting/ CHEMISTRY
Mrs. Yu
35
Hydrogen "bonds" (ahemmm interactions) form between Hydrogen and
Fluorine
Oxygen
All of the above
Nitrogen
36
Isomers have
different molecular formula, the same structural formula
the same molecular formula, different structural formula
different number of atoms
the same properties
37
What is the term for atoms with an equal number of protons, but different number of neutrons?
Isotope
Isomer
Dinosaur
Ion
38
Electrolytic Cells require a
salt bridge
power source / battery
39
Widely spaced particles in random motion, no definite shape or volume
Solid
Liquid
Aqueous
Gas
40
On Table M, to the right of the pH range will be
left color
combination of both colors
right color
41
Distillation separates mixtures with different
boiling points
particle size
melting points
taste in music
42
On a heating curve, a flat line represents
Constant KE, Increasing PE
Increasing KE, Constant PE
Increasing KE and PE
Constant KE and PE
43
Electrons are found in "clouds" around an atom's nucleus, which are called
orbits
orbitals
rings
levels
44
At low temperatures and high pressures, solubility for gases
increases
decreases
stays the same
45
What equation allows us to calculate heat absorbed/released by substances? (temperature change)
q= mHv
q=mHf
q = mcΔT
P1V1/T1 = P2V2/T2
46
Which subatomic particles are located in the nucleus of an atom? (Also known as NUCLEONS)
Electrons and Neutrons
Protons and Electrons
Neutrons and Protons
47
Splitting heavy nuclei into smaller ones
Transmutation
Fission
Fusion
48
Group 18
Noble Gas
Halogen
Transition Metal
Alkali Metal
49
In the Electron Configuration 2-8-1; how many valence electrons does this atom have?
11
8
2
1
50
Ionic bonds....
transfered electrons
shared electrons
51
J.J. Thomson discovered what subatomic particle with cathode rays?
Neutron
Proton
Electron
52
What can be used in a chemical equation to compare moles of a reactant to moles of a product?
Coefficients
Subscripts
Chemical Symbols
Yield Arrow
53
When unsaturated monomers join in a long polymer chain
Fermentation
Saponification
Polymerization
Esterification
54
What is the phase chage from a solid directly to a gas?
Vaporization
Sublimation
Evaporation
Melting
55
How many significant figures are in the following numbers? 0.0010; 100.001; 100,000
4,6,6
2,6,1
1,2,1
2,6,6
56
Covalent bonds....
transfered electrons
shared electrons
57
2H₂ + O₂ → 2H₂O is what kind of reaction?
Double Replacement
Single Replacement
Decomposition
Synthesis
58
When an alkene or alkyne combine with a halogen to make one product
Substitution
Polymerization
Addition
Esterification
59
When solving an equation with the COMBINED GAS LAW, temperature MUST BE IN
Kelvin
Fahrenheit
Celcius
60
A reaction when a hydrocarbon reacts with oxygen to make CO2 and H2O
Substitution
Addition
Esterification
Combustion
61
The current wave-mechanical model of the atom has electrons in what around the nucleus?
molecules
orbits
ions
orbitals
62
What steps do we use to solve MOLE problems?
Multiply across top, Multiply across bottom, DIVIDE!
Put common factors on the bottom of the ratio to cancel
Write down the given
Put what we HAVE over 1
63
When chemical bonds are broken, energy is
released
absorbed
64
Atomic Radius _____ across a period, and _____ down a group
decreases, increases
decreases, decreases
increases, decreases
increases, increases
65
A _________________ is being dissolved, while the ______________ does the dissolving
Solution, Solvent
Solute, Solution
Solvent, Solution
Solute, Solvent
66
When light nuclei combine to form a heavy nucleus and a lot of energy
Fission
Transmutation
Fusion
67
What is the laboratory process used to find concentration of an acid or base sample?
Electrochemistry
Neutralization
Titration
Redox
68
At equilibrium
Constant Concentration, Equal Rate
Equal Concentration, Constant Rate
69
ALL organic compounds contain which element?
carbon
oxygen
nitrogen
hydrogen
70
Castalysts
Shift equilibrium to left
has no effect on equilibrium
Shift equilibrium to right
71
The numbers next to carbon in the notation C-14 and C-12 inform us of what?
How many atoms are in the compound
Atomic Mass --- They are Isotopes!
Atomic Number --- They are Isotopes!
Valence Electrions --- They are Ions!
72
CaCO₃ → CaO + CO₂ is what kind of reaction?
Decomposition
Single Replacement
Synthesis
Double Replacement
73
Filtration separates mixtures with different
melting points
boiling points
phases
color
74
Ionization Energy _____ across a period, and _____ down a group
Decreases, Increases
Increases, Decreases
Decreases, Decreases
Increases, Increases
75
Which of the following conduct electricity?
Solid Covalent Compounds
Molten or aqueous Covalent Compounds
Molten or aqueous Ionic Compounds
Solid Ionic Compounds
76
On Table G, a saturated solution must be
on the line
above the line
below the line
77
In reference to the staircase, location of: metals ____ nonmetals _____ and metalloids_____
right, left, border
border, right, left
left, right, border
right, border, left
78
Reducing agents
get reduced (lose electrons)
get oxidized (lose electrons)
get oxidized (gain electrons)
get reduced (gain electrons)
79
When balancing chemical equations, what can we change to keep the law of conservation of energy
Chemical Symbols
Coefficients
Subscripts
Oxidation Numbers
80
Which of the following is a property of a nonmetal?
Tend to form positive ions
Malleable
Ductile
high ionization energy and electronegativity
81
When yeast catalyzes a sugar to make carbon dioxide and ethanol
Fermentation
Addition
Saponification
Substitution
82
A type of mixture that is NOT uniform throughtout
Solution
Compound
Heterogeneous Mixture
Homogeneous Mixture
83
What do we need for a percent composition calculation? Where is the percent comp equation?
Electronegativity / Table S
Solubility / Table G
Molar Mass / Table T
STP / Table A
84
Voltaic Cells require a
salt bridge
power source / battery
85
As temperature of a gas increases, volume
Remains Constant
Increases
Decreases
86
Which type of reaction releases heat, and what is the correct symbol?
Endothermic, +ΔH
Exothermic, -ΔH
Exothermic, +ΔH
Endothermic, -ΔH
87
Substances containing nonmetals only are
molecular
ionic
88
As pressure of a gas increases, volume
Remains Constant
Decreases
Increases
89
Heat gained or lost in a reaction / Disorder
Enthalpy / Entropy
Entropy / Enthalpy
90
What is the measure of an element's attraction for electrons?
Atomic Number
Ionization Energy
Electronegativity
Atomic Radius
91
What are the elements that form two atom molecules in their natural form at STP?
Diatomic Molecules
Solutions
Ionic Compounds
Mixtures
92
On Table M, to the left of the pH range will be
combination of both colors
right color
left color
93
Groups of atoms with an overall charged (SO₄^-2, NO₃^-1) are called
Monoatomic atoms
Monoatomic ions
Polyatomic atoms
Polyatomic ions
94
Unsaturated hydrocarbons contain
triple bonds only
single bonds only
double or triple bonds
double bonds only
95
Decreasing pressure on a gaseous equilibrium will shift equilibrium toward the side with
fewer moles of gas
more moles of gas
96
What are pure substances composed of only one kind of atom?
Solution
Molecule
Compound
Element
97
The Bohr model of the atom placed electrons in
the nucleus
orbitals
orbits
the corner
98
Atoms are most stable when...
no valence electrons
7 valence electrons
8 valence electrons
2 valence electrons
99
What is on the right side of the reaction arrow?
Reactants
Products
100
Protons are a subatomic particle that are
negatively charged
neutral
positively charged
101
Arrhenius Says...
Bases give off H3O+
Bases give off OH-
Bases give off H+
102
Adding up the individual mass of each atom within a compound is called what? Units?
Empirical Formula (gfm)
Gram Formula Mass (g/mol)
Molecular Formula (g)
Percent Composition (%)
103
What is the heat absorbed or released in a phase change between gas and liquid?
heat of fusion
heat of vaporization
specific heat
conductivity
104
Increasing the temperature, concentration and surface area of reactants will
Do nothing
Increase reaction rate
Decrease reaction rate
105
Splitting heavy nuclei into smaller ones
Empty choice
Empty choice
106
Alternate Acid says that acids
donate protons
accept protons
107
When an ester reacts with a base to make alcohol and a soap
Polymerization
Saponification
Addition
Esterification
108
What is temperature?
average kinetic energy
total kinetic energy
average potential energy
total potential energy
109
Group 1
Alkaline Earth Metals
Halogens
Alkali Metals
Transition Metals
110
As pressure on a gas increases, temperature
Remains Constant
Decreases
Increases
111
Closely-spaced particles that easily slide past one another, no definite shape, definite volume
aqueous
solid
liquid
gas
112
Hydrocarbons contain
hydrogen
hydrogen carbon and oxygen
carbon
hydrogen and carbon
113
When chemical bonds are formed, energy is
absorbed
released
114
What is on the left side of the reaction arrow? (yield sign)
Reactants
Products
115
Increasing pressure on a gaseous equilibrium will shift equilibrium toward the side with
fewer moles of gas
more moles of gas
116
Adding a solute will do what to the boiling point?
nothing
increase
decrease
117
Which of the following ratios are correct?
gfm = molar mass
1 mole = gfm of the specific compound/element
1 mole = 6.02x1023 particles
1 mole = 22.4 L
118
On Table M, in the middle of the pH range will be
left color
combination of both colors
right color
119
Where can you find the properties of specific elements? (density, mp, bp)
Table O
Table S
Table A
Table T
120
Adding a solute will do what to the freezing point?
increase
nothing
decrease
121
Neutrons are a subatomic particle that are
neutral
negatively charged
positively charged
122
As temperature increases, solubility for solids
decreases
stays the same
increases
123
When an organic acid and an alcohol react to make water and an ester
Polymerization
Esterification
Addition
Substitution
124
Removing any reactant or product to a system at equilibrium will shift equilibrium
away from removed substance
toward removed substance
125
What kind of substance has particles rigidly held together, with definite shape/volume?
Liquid
Gas
Solid
Aqueous
126
WHat is the name of NH₄NO₃ ?
Ammonium Nitrite
Ammonium Nitride
Nitrogen Tetrahydride Mononitrogen Trioxide
Ammonium Nitrate
127
Group 2
Alkali Metals
Transition Metals
Halogens
Alkaline Earth Metals
128
The mass of the reactants is ALWAYS equal to the mass of the products. Why?
Kinetic Molecular Theory
Combined Gas Law
Le Chatlier's Principle
Conservation of Mass
129
Alternate Base says that bases
donate protons
accept protons
130
Neutralization reactions react
acid and base to produce salt and water
salt and water to produce acid and base
131
Which kind of particle is positively charged?
alpha
beta
positron
gamma
132
Ernest Rutherford's gold foil experiment showed that an atom
has a negatively charged nucleus
is mostly empty space
is filled with electrons
has a large nucleus
133
What does STP mean?
Samples of Terror and Power
Standard Temperature and Pressure
Superpowers of Thor and Power Rangers
134
Moles of solute / Liters of solution is a measurement of
Molality
Molarity
ppm
percent composition
135
When an alkane and a halogen react so that one or more hydrogen atoms are replaced with oxygen
Polymerization
Esterification
Addition
Substitution
136
Reduction...
loss of electrons
cathode
anode
electrons on right
137
The amount of energy required to remove an electron from the outermost shell
Ionization Energy
Atomic Number
Atomic Radius
Electronegativity
138
Real gases behave like ideal gases when there is....
high temperature low pressure
low temperature high pressure
high temperature high pressure
low temperature low pressure
139
Uncombined ATOMS have an oxidation number of
+1
+4
0
-2
140
What value is equal to the number of protons in the nucleus of an atom?
Atomic Number
Atomic Mass
Electronegativity
Atomic Radius
141
Which of the following is a property of a metal?
Forms Negative Ions
Mostly Gases at STP
Good Conductor
Brittle
142
What is the name of MgS ?
Magnesium Sulfate
Magnesium Sulfide
Magnesium (II) Sulfide
Magnesium (II) Sulfate
143
Electrons emit energy as light when they
lose their valence shell
Jump from higher energy levels to lower energy levels
Jump from lower enery levels to higher energy levels
absorb energy
144
Oxidizing agents
get oxidized (gain electrons)
get oxidized (lose electrons)
get reduced (gain electrons)
get reduced (lose electrons)
145
Which type of reaction absorbs heat, and what is it's symbol?
Exothermic, +ΔH
Endothermic, -ΔH
Exothermic, -ΔH
Endothermic, +ΔH
146
Oxidation...
loss of electrons
gain of electrons
cathode
electrons on left
147
The Periodic Law states that the properties of elements are periodic functions of their
Atomic Number
Electron Configuration
Oxidation Number
Atomic Mass
148
Metallic bonding occurs between
metals ONLY
nonmetal and nonmetal
metal and nonmetal
149
A temperature in kelvin equaions what?
273 - °C
°C - 273
°C + 273

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