Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Chemistry > Chemistry Final > Flashcards

Chemistry Final Flashcards

1
Q

Give an example of an extensive physical property.

A

depends on the amount: mass, length, volume, or amount of energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

A process that absorbs heat is called _____.

A

endothermic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

A combination of two or more kinds of matter, each of which retains its own identity and properties is called _____.

A

mixture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The vertical columns of elements in the periodic table are called _____.

A

groups or families

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Is kool-aid a homogeneous or heterogeneous mixture?

A

homogeneous mixture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Another name for a homogeneous mixture is _____.

A

solution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Give an example of a nonmetal.

A

He, C, N, O, F, Ne, P, S, Cl, Ar, Se, Br, Kr, I, Xe, At, Rn, H, Ts, Og

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

The study of matter and the changes matter undergoes is called _____.

A

chemistry

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Magnesium chloride (MgCl2) is an example of a _____.

A

compound

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Give an example of an intensive physical property.

A

does not depend on amount: color, density, odor, texture, melting point, freezing point, boiling point, malleability, ductility, electrical and heat conductivity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

The name for substances that undergo a chemical reaction is _____.

A

reactants

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

A solid that separates out when two liquids solutions are mixed is called _____.

A

precipitate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

A process that releases heat is called _____.

A

exothermic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

There are 4 indications of a chemical reaction given that we discussed in the notes, give 3 of the 4.

A

giving off heat or light production of a gas-forming a precipitate color change

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Anything that has mass and takes up space is called _____.

A

matter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

This is made from the atoms of 2 or more elements that are chemically bonded.

A

compound

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Give an example of a metalloid.

A

B, Si, Ge, As, Sb, Te, Po

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

The horizontal rows of elements in the periodic table are called _____.

A

periods

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

The measure of the amount of matter is called _____.

A

mass

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

This is done for the sake of gaining knowledge or satisfying your curiosity.

A

basic research

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Give an example of a physical change.

A

cutting, grinding, expanding, melting, freezing, boiling, dissolving, evaporating, bending

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Give an example of metal.

A

any element to the left of the stair step line except Ge, Sb, and H

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

This is done for the sake of improving the quality of human life.

A

technological development

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

This is done for the sake of solving a problem.

A

applied research

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Give an example of a heterogeneous mixture.
rocks and water, a snow globe, salt and pepper, tossed salad, vegetable soup
26
A characteristic that can be observed or measured without changing the identity of the substance is called _____.
physical property
27
A change in which one or more substances are converted into different substances is called _____.
chemical change or a chemical reaction
28
A change in the substance that does not involve changing its identity is called _____.
physical change
29
Relates to the ability of a substance to undergo changes that transform it into different substances and is called _____.
chemical property
30
Chemical or Physical property: magnesium metal has the ability to burn
chemical property
31
Chemical or Physical change: baking soda and vinegar produce carbon dioxide gas
chemical change
32
A pure substance that cannot be broken down into simpler substances and is made of one type of atom is called _____.
element
33
The SI base unit for mass is _____.
kilogram
34
A measurement that closely agrees with the accepted value is _____.
accurate
35
How many significant figures: 0.000890 m
3 (the 8, 9, and 0 on the end)
36
Variables when divided one by the other give a constant value that are _____ proportional.
directly
37
This refers to the agreement among a set of measurements all made the same way.
precision
38
Variables when multiplied one by the other give a constant value that is _____ proportional.
inversely
39
A unit that is obtained from the combination of SI units is called _____.
derived unit
40
The SI base unit for length is _____.
Meter
41
The SI base unit for length is _____.
Meter
42
Does the mathematical expression: V / T = k, represent a direct or inverse proportion?
direct proportion
43
As x increases, y increases, or as x decreases, y decreases is a(n) _________ proportion.
direct
44
As x increases, y decreases, or as x decreases, y increases are a(n) _________ proportion
inverse
45
Atoms of the same element that have different masses because they have different numbers of _____ are called _____.
neutrons, isotopes
46
Finish this statement…An atom is electrically neutral because _____.
it has the same number of protons as electrons
47
Which subatomic particle determines the identity of an element and what charge does it have?
protons are positive
48
The mass of one mole of a pure substance is called the _____.
molar mass
49
All isotopes of hydrogen have the same number of _____.
protons
50
The number of particles in exactly one mole of a pure substance is called _____.
Avogadro’s number
51
State the Law of Conservation of Mass.
Mass is neither created nor destroyed during ordinary chemical or physical changes.
52
The amount of a substance that contains as many particles as there are atoms in exactly 12 g of carbon-12 is called _____.
a mole
53
The distance between corresponding points on adjacent waves is called _____.
wavelength
54
The term for all forms of energy that exhibit wavelike behavior as they travel through space.
electromagnetic radiation
55
A particle of electromagnetic radiation with a quantum of energy is called _____.
a photon
56
Wavelength and frequency are _____ proportional.
inversely
57
Energy and frequency are _____ proportional.
directly
58
The lowest energy state of an atom.
ground state
59
The minimum quantity of energy that can be lost or gained by an atom is called _____.
quantum
60
_____ states that it is impossible to determine the position and velocity of an electron.
Heisenberg Uncertainty Principle
61
This is the name of the quantum number that represents the orientation of an orbital about the nucleus.
magnetic quantum number
62
This is the name of the quantum number that indicates the 2 possible states of an electron.
spin quantum number
63
This is the name of the quantum number that indicates the shapes of the orbitals.
angular momentum quantum number
64
The number of waves passing a given point per second.
frequency
65
Define the excited state of an atom.
atom has higher potential energy
66
States that an electron occupies the lowest energy orbital that can receive it.
Aufbau Principle
67
States that no two electrons in the same atom can have the same set of four quantum numbers.
Pauli Exclusion Principle
68
States that orbitals of equal energy are each occupied by one electron before any orbital is occupied by two electrons. All singly occupied orbitals must have the same spin.
Hund’s Rule
69
Mendeleev arranged the periodic table according to _____.
increasing atomic mass
70
The rare-earth elements are found in block _____ and are also called _____.
f lanthanides
71
Defined as ½ the distance between the nuclei of identical atoms that are bonded together.
atomic radius
72
The energy change that occurs when an electron is acquired by a neutral atom is _____.
electron affinity
73
A positive ion is called a(n) _____.
cation
74
Give an example of a cation using the correct format for writing an ion.
things such as Ca2+
75
If you create an anion the radius of the atom becomes _____ because _____.
larger because adding electrons creates a larger electron cloud
76
True or False: Metals tend to form cations.
true
77
A negative ion is called a(n) _____.
anion
78
If you create a cation the radius of the atom becomes _____ because _____.
smaller because losing electrons creates a smaller electron cloud
79
The measure of the ability of an atom in a chemical compound to attract electrons from another atom is called _____.
electronegativity
80
When elements are arranged by increasing atomic number, elements with similar chemical and physical properties line up in groups is a statement of _____.
periodic law
81
The energy required to remove one electron from a neutral atom of an element is called _____.
ionization energy

Chemistry (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions