Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

ATI TEAS > Chemistry > Flashcards

Chemistry Flashcards

1
Q

What does the nucleus of an atom contain?

A

protons and neutrons

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

Nucleus is ____ charged.

A

positively

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

Electrons are ____ charged.

A

negatively

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

An atom becomes an ion when…

A

the number of protons and electrons in an atom is unequal.

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

Protons have a __ charge

A

positive

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

Neutrons have a ___ charge

A

neutral

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

Electrons are ____ times smaller than the proton

A

2000

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

Isotopes are the same element with a different number of ____

A

neutrons

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

Can the proton number change?

A

no

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

atomic mass = ??

A

protons + neutrons

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

the atomic number is the number of ___

A

protons

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

if there are more electrons than protons what will the charge be on the atom?

A

negative

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

if there are more protons than electrons what will the charge be on the atom?

A

positive

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

if the number of protons and electrons are equal then what will the charge be on the atom?

A

neutral

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

cations are atoms that have ___ an electron

A

lost

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

What is an ion?

A

an atom that has gained or lost an electron

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

cations have a ___ charge

A

positive

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

anions are atoms that have ___ an electron

A

gained

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

anions have a ___ charge

A

negative

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

what is an orbital?

A

areas where electrons are likely to be found

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

what is the s orbital

A

spherical area surrounding nucleus

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

how many electrons possible in s orbital

A

2 MAX

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

what is the p orbital

A

dumbbell shape surrounding nucleus

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

how many electrons possible in p orbital

A

6 max

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

what is the d orbital

A

flower like or hourglass shape surrounding nucleus

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

how many electrons can the d orbital have

A

10 max

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

what is the f orbital

A

very irregular shaped orbitals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

how many electrons can f orbital have

A

14 max

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

ionic bonds are formed when…

A

atoms trade electrons in order to achieve stability

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

covalent bonds are formed when…

A

atoms share electrons in order to achieve stability

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

greater electronegativity = greater____

A

attraction to electrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

low electronegativity means…

A

lower attraction to electrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

the phase of a substance is dependent on two conditions:

A

temperature and perssure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

what is condensation?

A

gas changing to a liquid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

what is sublimation?

A

solid changing to a gas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

what is deposition?

A

gas changing to a solid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

how the atom will react depends on the number of ____

A

valence electrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

ionic bonds are formed between..

A

metal and non metal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

covalent bonds are formed between..

A

two non metals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

what must a substance react to in order for it to be a combustion reaction?

A

O2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

what is the product of a combustion reaction?

A

CO2 + H2O

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

what is the chemical formula of sugar?

A

C6H12O6

41
Q

what does a catalyst do?

A

speed up reactions

42
Q

what is it called when a reaction absorbs heat?

A

endothermic reaction

43
Q

what is it called when a reaction exerts heat?

A

exothermic reaction

44
Q

what is equilibrium?

A

rate of forward reaction is equal to rate of backward action

45
Q

what is dynamic equilibrium?

A

forward and reverse reaction happening at same time

46
Q

what is static equilibrium?

A

when concentration of reactants and products are not changing

47
Q

if you add a reactant, the position of the equilibrium will shift to the ____.

A

right

48
Q

if you remove a reactant the position of the equilibrium will shift to the ____ .

A

left

49
Q

catalysist ___ the activation energy.

A

lower

50
Q

hydrogen bonding can be achieved through ____ or ____.

A

adheasion or cohesion

51
Q

what is cohesion?

A

similar molecule binds to another molecule (water likes water)

52
Q

what is adhesion?

A

dissimilar molecule binds to another water (water sticks to other things)

53
Q

T or F: hydrogen bonds are strong.

A

F - H bonds are weak

54
Q

solvent

A

substance that stuff is being dissolved IN (ex. water)

55
Q

solute

A

stuff being dissolved

56
Q

what is a neutralization reaction?

A

reaction between an acid and a base

57
Q

electrons are part of the ___ family.

A

lepton

58
Q

a polar bond is a ___ type of bond

A

covalent

59
Q

polar bonds contain…

A

a positive and negative end

60
Q

when molecules of the same element bind together, they can form ____ or _______ _____.

A

molecules or crystalline solids

61
Q

covalent bonding occurs with atoms with ____ electronegativities.

A

similar

62
Q

polar covalent bonds form between…

A

a highly electronegative atom and a low electronegative atom

63
Q

if two atoms have a difference in electronegativity that is (less than or more than) 0.5, they will form a covalent bond.

A

less than 0.5

64
Q

if the difference of electronegativity is between 0.5-1.6 then they form a _____.

A

polar covalent bond

65
Q

if the difference is greater than 2.0 the bond will be ___

A

ionic.

66
Q

what should you do if the electronegativity is between 1.6-2.0?

A

check to see if one of the elements is a metal.

67
Q

if the electronegativity is between 1.6-2.0 and one of the elements is metal, what kind of bond is it?

A

ionic

68
Q

if the electronegativity is 1.6-2.0 and both of the elements are non metals, what kind of bond is it?

A

polar covalent

69
Q

K-shell

A

2 electrons

70
Q

L-shell

A

8 electrons

71
Q

M-shell

A

18 electrons

72
Q

N-shell

A

32 electrons

73
Q

How to remember the diatomic elements

A

Have - Hydrogen
No - Nitrogen
Fear - Fluorine
Of - Oxygen
Ice - Iodine
Cold - Chlorine
Beer - Bromine

74
Q

what are the three types of hydrocarbons?

A

alkanes, alkenes, alkynes

75
Q

what is a saturated hydrocarbon?

A

only single bonds

76
Q

what is an unsaturated hydrocarbon?

A

at least one double or triple bonds

77
Q

alkanes and alkenes are ___ and _____ in water

A

non polar/ insoluble

78
Q

Which is more reactive: alkanes or alkenes.

A

alkenes

79
Q

alkynes are the ___ reactive.

A

most

80
Q

rank alkanes alkenes and alkynes from most to least reactive

A

alkynes
alkenes
alkanes

81
Q

what is the strongest type of covalent bond?

A

sigma bond

82
Q

name a covalent bond that is weaker than the sigma bond.

A

pi bond

83
Q

how are pi bonds formed?

A

overlap of p orbitals; perpendicular to any sigma bonds

84
Q

what is an ether?

A

oxygen linking two hydrocarbon groups

85
Q

what is an aldehyde?

A

oxygen double bound to end of hydrocarbon chain

86
Q

what is a ketone?

A

oxygen double bound somewhere on the middle f the chain, not the ends

87
Q

Elements on the right side of the table are ___ reactive.

A

less

88
Q

Elements on the left side of the table are ___ reactive.

A

more

89
Q

As electrons are added, their attraction to the nucleus ___.

A

increases

90
Q

What is the most important feature of the periodic table?

A

periodicity

91
Q

one negatively charged atom and one positvely charged atom form which type of bond?

A

ionic.

92
Q

speed of evaporation is decreased by

A

increased atmospheric pressure

93
Q

what are the two types of physical properties

A

intensive and extensive

94
Q

intensive properties do ___ depend on amount of matter

A

not

95
Q

extensive properties ___ depend on amount of matter

A

do

96
Q

what are the intensive properties

A

color
hardness
melting point
boiling point
density
ductility
malleability
specific heat
temperature
concentration
magnetization

97
Q

what are the extensive properties

A

volume
mass
weight
energy
entropy
number of moles
electrical charge

98
Q

what is a conductor?

A

a material that contains moveable electric charges

99
Q

what is the law of conservation of mass?

A

matter cannot be created nor destroyed

100
Q

how many grams in a kg?

A

1000

101
Q

how many grams in a liter?

A

1000

ATI TEAS (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions