Atomic Structure Flashcards

1
Q

What is atomic theory

A

Atoms make up everything and are indestructible

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2
Q

What did marie curie discover

A

Radioactivity

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3
Q

What model did thompson discover

A

Plum pudding model

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4
Q

What did thompson discover

A

Isotopes

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5
Q

What particles did rutherford discover

A

Alpha and beta

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6
Q

What are alpha particles/beta particles

A

Alpha- positive and less damaging
Beta- negative and more damaging

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7
Q

What did Rutherford discover about atoms

A

Central atom positive

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8
Q

What did rutherford use for his atomic experiment

A

Gold foil

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9
Q

What did bohr discover

A

Electrons in orbits, not floating

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10
Q

Shwartinger discovered?

A

Different shapes in different orbits

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11
Q

One of first lists of elements in 1790

A

Antoine laurent lavoisier

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12
Q

Who used symbols and masses in 1803

A

Dalton

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13
Q

Who organized atoms based on chem property and atomic weight and found gaps

A

Mendeleev

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14
Q

Who organized by atomic number

A

Moseley

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15
Q

Period

A

Row right to left of elements who gradually change

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16
Q

Group

A

Column of elements

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17
Q

Family

A

Group of elements that have similar characteristics

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18
Q

Representative elements

A

8 groups- 1 and 2, 13-18 including metals nonmetals and metalloids

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19
Q

Transition elements

A

Groups 3-12 all metal

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20
Q

How is periodic table organized

A

Color coded by metal nonmetal metalloid

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21
Q

Metal

A

Element with luster and a conduct of electricity, heat

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22
Q

Nonmetal

A

Usually gas or brittle solid at room temperature
Bad at conduction
Only 17

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23
Q

Metalloid

A

Elements between metals and nonmetals

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24
Q

Element key

A

Box representing elements showing name atomic number symbol and avg atomic mass

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25
H
Hydrogen
26
Na
Sodium
27
K
Potassium
28
Ca
Calcium
29
Al
Aluminum
30
Pb
Lead
31
C
Carbon
32
O
Oxygen
33
Cl
Chlorine
34
Hg
Mercury
35
Cr
Cromium
36
F
Fluorine
37
Ni
Nickle
38
Cu
Copper
39
Ag
Silver
40
P
Phosphorus
41
Kr
Krypton
42
Au
Gold
43
N
Nitrogen
44
S
Sulfer
45
I
Iodine
46
Mg
Magnesium
47
U
Uranium
48
He
Helium
49
Sn
Tin
50
F
Fluorine
51
Zn
Zinc
52
Ne
Neon
53
Fe
Iron
54
Family one
Alkaline metal 1 valence electron
55
Family 2
Alkaline earth metal 2 valence electrons
56
Family 3
Boron family 3 valence electrons
57
Family 14
Carbon family 4 valence electrons
58
Study of carbon
Organic chemistry
59
Family 15
Nitrogen family 5 valence electrons
60
Peptide bonds
Nitrogen formed Holds proteins together
61
Dalton about atoms
All made of atoms Atoms indestructible Theory- all made of individual particles
62
Marie curie
Radiation
63
Radiation
Release of energy
64
Mendeleev
Arranged atoms based on atomic mass Created periodic table
65
What is equal in atoms
Electrons and protons
66
Atomic number
Number of protons in nucleus
67
Atomic mass
Weighed avg mass of isotopes in element
68
Isotopes
Atoms of same element with different amount of neutrons
69
Mass number
Number of protons plus neutrons
70
Atom
Tiniest part of substance that can be chem identified
71
Molecule
2+ bonded atoms
72
Quark
Smaller particles making up protons and neutrons
73
Types of quark
Up down top bottom strange charm
74
Combustion
Substance combines with O2
75
76
Valence electron
Electron in outermost shell