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Atomic Structure, EMS, Electron Config Flashcards | StudBud
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Atomic Structure, EMS, Electron Config
Atomic Structure, EMS, Electron Config
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Answers
1
This atomic model timeline is accurate.
False
True
2
What is the charge of a proton?
positive & negative
none
negative
positive
3
How do you find how many protons/electrons are in an element?
subtract the number of protons from the atomic number
subtract the number of protons from the atomic mass
look at the atomic number
look at the atomic mass
4
Theory that energy levels are located certain distances from the nucleus
Bohr
Democritus
Heisenberg
Schrodinger
5
How many protons are in nitrogen-14?
8
7
14
0
6
Isotopes of the same element have a different number of neutrons.
False
True
7
Theory that there is a small, dense, positively charged nucleus
Thomson
Rutherford
Bohr
Einstein
8
A packet of light energy is called a photon.
False
True
9
Isotopes have different what?
masses
electrons
atomic numbers
protons
10
How do you find how many neutrons are in an element?
add the number of protons from the atomic mass
subtract the atomic number from the atomic mass
same as atomic number
you can't without actually seeing the nucleus
11
What element does this orbital diagram belong to?
oxygen
lithium
boron
carbon
12
An ion is neutral.
True
False
13
This is the correct Lewis dot diagram for phosphorus.
True
False
14
What is the electron configuration of sodium?
1s22s23s1
1s22s22p63s1
1s22p63s1
1s22s22p63s2
15
Which rule states that you must fill orbitals with arrows showing opposite spin?
Hund's
Pauli Exclusion
Aufbau
16
Theory that showed negative particles are stuck in a positively charged substance
Thomson
Democritus
Shrodinger
Rutherford
17
What is the mass of a proton or neutron?
less than 1 amu
1 amu
2 amu
0 amu
18
When an electron gains quantum energy, it is in its ______ state.
excited
exhausted
ground
red
19
J.J. Thomson used this cathode ray tube to discover what about the atom?
negatively charged electrons
Protons
Positively charged nucleus
neutrons
20
The electron configuration for Xe is
1
s
2
2
s
2
2
p
6
3
s
2
3
p
6
4
s
2
3
d
10
4
p
6
5
s
2
4
d
10
5
p
5
True
False
21
Gamma radiation is the most powerful type.
True
False
22
36 represents the _____.
mass
atomic number
number of electrons
charge
23
The nucleus has a positive charge.
True
False
24
How many electrons does this ion have?
4
3
1
2
25
What color of visible light has the longest wavelength?
indigo
green
orange
violet
26
Theory that atoms of the same element are exactly alike
Thomson
modern day scientists
Democritus
Dalton
27
What element is this: [Ar]4s
2
3d
9
chromium
gold
silver
copper
28
what is the charge of an electron?
negative
positive
negative & positive
none
29
Wavelength and frequency have a/an _______ relationship.
inverse
direct
30
Frequency and ______ have a direct relationship.
wavelength
energy
31
What is the charge of a neutron?
positive
none
positive & negative
negative
32
How many electrons can the f sublevel hold?
10
6
14
2
33
Candium-11 has an abundance of 35% & Candium-13 has an abundance of 65%. What is atomic mass?
12.6 amu
12.3 amu
13 amu
11.5 amu
34
Theory that said atoms are "uncuttable" and "indivisible"
Dalton
Democritus
Bohr
Rutherford
35
how many neutrons are in magnesium-25?
13
24
12
25
36
Where are electrons found in an atom?
energy levels around nucleus
Nucleus
not found in atoms
