Why is a system for naming compounds necessary

using common names such as sugar would be impractical

the branch of science that deals withmatter

What will the limiting reactant always be

The lower # after stoichiometry is performed

What charges do protons and electrons have respectively

Proton Positive/ Electron Negative

Whatis scientific notation

product of a # between 1-10 & the appropriate powerof 10

2 things combined physically that can be separated by heat

studbud

Duplicate of 11th Grade Chemistry Review

92 termsStudBud Administration27 plays

Imported from external platform

Flashcards92 cardsFPractice quizPHost liveL

Questions 92

Answers

1
T or F An atom with excess energy is said to be in an excited state
True
False
2
What is the name for HCl
Hydrochloric acid
None of the above
Hydrogen chloride
Helium chloride
3
Why is a system for naming compounds necessary
there weren't enough classifications to name compounds with
using common names such as sugar would be impractical
it is easier
None of the above
4
What is one way that atoms will release energy
Pressure
None of the above
Cold
Heat
5
T or F Water's amphoteric nature means it is capable of acting as an acid or a base
False
True
6
Name a physical and chemical property
color and smell
Don't know
shape and texture
color and flammability
7
What is the chemical symbol for lead
Pb
L
Don't know
Li
8
Which of the following is a chemical property of metal
God conductor of heat and electricity
Odor
Lustrous appearance
Ability to change shape without breaking
9
How many types of bonds are there
5
3
2
More than 10
10
T or F The formula of the ideal gas law is PV=nRT
True
False
11
What is Chemistry?
a branch of science exclusive to working with acids
the branch of science that deals withmatter
Confusing
A branch of science that exclusively works with equations
12
How many phases does water have
6
3
2
4
13
How many steps are in the scientific method
6
4
9
5
14
T or F Gas is the state of matter which has the most energy
False
True
15
What unit do you use to measure energy
Moles
Don't know
Joules
Watts
16
T or F The lewis structure is a molecule that shows how the valence electrons are arranged
False
True
17
Howmany significant figures are in the following number 7.240000000
3
2
5
0
18
T or F Electromagnetic radiation is energy that is transmitted one place to another by light
True
False
19
Height is an example of which
Quantitative
Qualitative
20
Name two methods for separating a mixture
heat or boiling and a screen
Don't know
Freezing and then smashing it
Boiling the mixture and just waiting
21
T or F A dipole movement is when partial changes occur, resulting in unequal sharing of protons
True
False
22
Which is potassium sulfate
KSO2
KSO3
KSO4
KSO
23
If it is 212 degrees fahrenheit how hot is that in Celsius
10
100
0
1000
24
T or F A qualitative description of a solution is a description using numbers
False
True
25
How high does the pH scale go
20
14
5
10
26
What type of elements would you use the covalent naming form
non metals
metals
noble gases
alkaline metals
27
T or F Atomic mass is the number you use to count atoms by weight
True
False
28
T or F Empirical formula expresses the largest whole number ratio of atoms present
True
False
29
T or F Production of gas as well as fire/smoke are indicators a reaction has occurred
True
False
30
T or F Multiply total mass of element reacted & original mass of an element for empirical form.
True
False
31
T or F Dilution is the process of adding more solvent to a solution
False
True
32
T or F Molarity is finding out the density of a substance
False
True
33
What is an element
Substance made from man
Don't know
the purest form of a substance
A combination of chemicals used for experiments
34
Which person didn't invent the Wave Mechanical Model
Charles
Broglie
Schrodinger
35
What will the limiting reactant always be
None of the above
The lower # after stoichiometry is performed
The higher # after stoichiometry is performed
The lower # before the stoichiometry is performed
36
What are more ways to classify a reaction
All of the above
Decomposition
Synthesis
Combustion
37
T or F CLO is an example of a polyatomic ion
False
True
38
T or F Light is the only way for atoms to emit energy
True
False
39
What charges do protons and electrons have respectively
Proton Negative/ Electron positive
Proton Positive/ Electron Negative
Both neutral
None of the above
40
Bohr constructed a model of the _ atom with quantized energy levels
Hydrogen
Magnesium
Helium
Oxygen
41
T or F To calculate pH of strong Acids/Bases, use the formula [H+][OH-]=1x10^-14
False
True
42
What is pressure normally measured in
Watts
Grams
Moles
ATM
43
T or F If only certain values are allowed, something is quantized
False
True
44
What info is given by a balanced equation
None of the above
Number of joules
Weight of compounds
Ratio of moles
45
T or F Group 7 elements always form 1- anions
True
False
46
What is the relative ability of an atom & a molecule to attract shared electrons to itself
Electronegativety
Bond
Attraction of like particles
None of the above
47
T or F Part x Whole is how you get the percent composition of a substance
True
False
48
Whatis scientific notation
shows numbers that are very large in a scientific way
Don't know
product of a # between 1-10 & the appropriate powerof 10
49
T or F Percent yield is used to find how much of a product a reactant will make
True
False
50
What is a mixture
2 things combined physically that can't be separated by heat
Anything from chemistry that is combined
Don't know
2 things combined physically that can be separated by heat
51
What is the chemical formula of water
Don't know
W
H
H2O
52
T or F The precipitation reaction is a reaction in which a solid is formed
False
True
53
What will be produced at the end of an acid/base reaction
CO2
None of the above
Oxygen
Water
54
What type of elements would you use the ionic naming form
None of the above
Metals and nonmetals
Alkali metals
Noble gases
55
How many types of ionic bonds are there
2
3
1
4
56
What does Ph +Poh equal
14
16
5
1
57
T or F Reactants and products are the two parts of a chemical reaction
False
True
58
Is the following chemical equation balanced 4NaCl +4H2O- 5NaO+4ClO
Yes
No
59
T or F Acid/base and double displacement are two ways to classify a reaction
False
True
60
T or F Formation of a solid and formation of water are "driving forces" behind a chem reaction
False
True
61
Which diagram allows the representation of electrons in which orbitals are represented by boxes
None of the above
Density
Orbit
Electron
62
T or F Solvent is the part of the solution that does the dissolving
True
False
63
What is the electron arrangement for hydrogen
None of the above
1s 2p
1s
1s 2s^2 2p
64
T or F The equation for mass percent is (mass of solute/ mass of solution) x100
False
True
65
T or F The qualitative description of dilution is a small amount of solvent
False
True
66
What is the electron configuration for potassium (K)
(1s^2 2s^2)
(1s^2 2s^2 3s^2 3p^6)
None of the above
(1s^2 2s^2 2p^6 3s^2 3p^6 4s^1)
67
What is the formula for boyle’s law
P1*V1=P2*V2
V1/T1=V2/T2
V1/N1=V2/N2
None of the above
68
T or F Calculate a molecular formula by # of moles of both elements x atomic masses
True
False
69
What is density
Don't know
The weight of an object
None of the above
the ratio between mass and volume or mass per unit volume
70
T or F Heat is one factor that affects reaction rate
False
True
71
Which law states that matter cannot be created or destroyed
Boyle's Law
Darwin's law
None of the above
Law of conservation of matter
72
Taking the weight of one object and multiplying it to get the weight of a desired # is called
Desired amount
None of the above
Counting by weighing
Mass
73
What is not a group on the periodic table
Noble gases
Alka metals
Metals
Non metals
74
What is the formula for volume
L/W*H
L*W/H
L*W*H
Don't know
75
Which is not one of the two types of chemical equations
Molecular
Net ionic
Acidic
76
Howmany meters are in a kilometer
50
5000
1000
100
77
Name the part that isn't found in an atom
Foton
Neutron
Proton
Electron
78
T or F The Pauli Exclusion Principle explains an atomc orbit can hold a maximum of 2 electrons
True
False
79
T or F An orbit is the mathematically predicted area of where electrons are located
False
True
80
What is a diatomic molecule
an element that is stable enough to be alone
an element that is too unstable to be alone
an element that dies easily
none of the above
81
T or F The definition of an acid is a solution with a higher pH than bases
False
True
82
T or F An ionic compound has a net charge of 0
False
True
83
Name a element and a compound
Hydrogen and Water
None of the above
CO2 and Water
Marble and Sulfate
84
What kind of bond involves two atoms sharing two pairs of electrons
Double
Polar Covalent
Covalent
Ionic
85
What's the force that holds groups of 2 or more atoms together and makes them function together
Magic
Attraction of like particles
Bond
None of the above
86
T or F The mole ration in the equation 4H + 3O = 2 H2O is balanced
True
False
87
T or F A mole is equivalent to 6.022* 10^24
True
False
88
T or F To get molar mass, you add all atomic masses
True
False
89
What are sig figs
Numbers recorded in a measurement
Don't know
All numbers in an answer
None of the above
90
T or F The definition of electromagnetic radiation is energy transported by light
True
False
91
T or F Oxidation/Reduction reactions are reactions that require a transfer of electrons
True
False
92
What is the definition of energy
Don't know
the ability to stay active for long periods of time
The ability to do a given task properly in a fast time
The ability to do work

Duplicate of 11th Grade Chemistry Review Flashcards | StudBud