Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

chie's brainscape ^__- ☆ > 11. Physical Science Flashcards > Flashcards

11. Physical Science Flashcards

1
Q

an explosion that hypothetically started/created the universe

A

big bang

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

a single unit of a few milimeters

A

singularity

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

4 formed elements after the big bang

A

matter time space energy

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

as the universe cools, protons and neutrons fuse to form heavily atomic nuclei

A

nucleosysnthesis

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

the 1st element

A

helium

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

2 eras

A

radiation and matter

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

era with abundance in radiation

A

radiation era

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

era with formulation of matter

A

matter era

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

epochs in the radiation era

A

planck, grand unifying, inflationary, electroweak, quark, hadron, electron, nuclear (p, g, i, e, q, h, e, n)

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

immediately afte the bigbang, temp of 10^40 K

A

Planck epoch

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

what are the superforces?

A

weak, electromagnetic, strong nuclear, gravity (w, e, s, g)

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

10^-43 secs after the bigbang
10^36K

A

Grand unification epoch

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

what broke away in the grand unification epoch?

A

gravity

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

expansion of the universe
10^33k
10^-36 seconds after bigbang

A

inflationary epoch

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

10^20 k
10^-32 seconds
superforces split off

A

electroweak epoch

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

10^16k
20^-12 seconds after bigbang
formation of particles (quarks) that will create the subatomic particles

A

quark epoch

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

10^10k
10^4 secs after bigbang
universe cooled down enough for quarks to bind, therefore making the subatomic particles

A

hadron epoch

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

10k
100 secs after bigbang

A

nuclear epoch

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

epochs in the matter era

A

atomic stellar galactic

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

atomic

A

formation of atoms

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

formation of stars

A

stellar

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

formation of galaxies

A

galactic

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

for the light elements ( h, he, li, be)

A

bigbang nucleosynthesis

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

heavier elements (B, to Fe 56)

A

stellar formation and evolution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
elements heavier than Fe 57
supernova/stellar explosion
26
introduced the term atomos
democritus
27
considered the father of modern atomic theory
john dalton
28
proposed that electrons spin around a nucleus and are located at a certain orbital
Niels bohr
29
plum pudding model proponent
jj thomson
30
he found out that the mass of the atoms is due to the weight of the positive central atom
ernest rutherford
31
discovered the neutrons
james chadwick
32
stronger than london dispersion force; found in polar molecules
dipole dipole force
33
regulate the transfer of many substances
plasma membrane protein
34
minimum energy required to react
activation energy
35
primary components of plant cell wall
cellulose
36
atomos means
indivisible
37
according to democritus what are the 4 qualities of the atom?
indivisible, indestructible, homogenous, invisible
38
according to dalton, atoms are?
solid spheres
39
qualities of an atom according to dalton
1. matter is made of tiny, indivisible atoms 2. atoms of the same element are the same 3. atoms of different elements differ 4. atoms combine in simple, whole # ratio
40
electrons are surrounded in a pudding of positive charge
plum pudding model
41
who discovered the proton
rutherford
42
nuclear model proponent
ernest rutherforf
43
what was bohr's model
bohr's electron orbits
44
electrons occupy particular orbits/shells around the nucleus
bohr's electron orbits
45
what gives the weight of the atom?
nucleus
46
atomic number =?
protons and electrons
47
how to get the neutron
mass - p+
48
how to get the mass?
p+ + n0
49
allows atoms to attain their stability by completing the reuqired electrons in the outermost shell
chemical bonds
50
chemical bonds can be?
ionic or covalent
51
2 types of covalent bonds?
polar and non polar
52
asymmetrical, polar or non polar?
polar
53
equal sharing of electrons, polar or non polar?
non polar
54
en diff is 0.5-2.0
polar
55
en diff is 0-0.4
non polar
56
symmetric, polar or nonpolar?
nonpolar
57
en diff is 2.1 above
ionic bond
58
covalent _____ electrons
shares
59
ionic ______ electrons
gives off
60
forces that help molecules attract each other
intermolecular forces
61
instantaneous dipole; when electrons get excited, they sometimes stay on 1 side of the molecule
london dispersion force
62
electrons are not evenly distributed/shared in this force
dipole dipole force
63
strongest force
hydrogen bonding
64
what are the highly electronegative atoms?a
atoms made up of: n, o, fl
65
force within a molecule
intramolecular force
66
between a molecule
intermolecular force
67
solids and liquids have a _____ IMF
high
68
IMF determines the ______ and _______ points
boiling and melting
69
general name for IMF
van der waals forces
70
building components of life
biomolecules
71
building blocks
monomer
72
carbs; pasta or bread; fast source of energy
carbohydrates
73
monomer for carbs
monosaccharides
74
fats; butter, oil, cholesterol
lipids
75
building blocks for lipids
fatty acids and glycerol
76
for muscle building; beans, milk
proteins
77
monomer for protein
amino acids
78
dna, rna; codig of traits
nucleic acids
79
monomer for nucleic acid
nucleotides
80
biomolecule structure
c= carbon h=hydrogen o=oxygen n=nitrogen p=phosphorus
81
carb and lipid structure
CHO
82
protein structure
chon
83
nucleic acid structure
chonp
84
monosaccharides
glucose, galactose, fructose
85
lactose is a _______
disaccharide
86
glycogen is a ____
polysaccharide
87
basic fuel for atp
glucose
88
lipids are helpful for animals in _______ for energy storage
hibernation
89
monomers contain ________ forces
intramolecular
90
what is common among all the biomolecules
hydrogen
91
particles must ____ in order to react
collide
92
to react, particles must have enough ___
energy
93
more temperature, ________ reactions
faster
94
more temp, more kinetic energy, more activation energy (T or F)
TRUE
95
________ is crucial in reaction
angle
96
factors that effect chem reactions
1. temperature 2. concentration and pressures 3. surface area 4. catalyst
97
low surface area, more reactions (t or f)
false
98
more concentrated, more reactions (t or f)
true
99
substances that speed up the reaction without being used in the reaction itself
catalyst
100
catalysts are:
transition metals enzymes

chie's brainscape ^__- ☆ (21 decks)

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