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Module 3 - Atomic Structure Review Flashcards | StudBud
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Module 3 - Atomic Structure Review
Module 3 - Atomic Structure Review
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Review of Module 3 (Apologia Exploring Creation with Chemistry) addressing the atomic structure.
Flashcards
57 cards
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Practice quiz
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Host live
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Questions
57
Answers
1
What is hydrogen’s atomic number?
1
18
2
3
2
What does the atomic number of an element tell us?
The number of nuclei in one atom of the element
The number of protons in one atom of the element
The number of neutrons in one atom of the element
The number of electrons in one atom of the element
3
What is the correct SPDF electron configuration for carbon?
1s22s22p6
1s22s22p2
1s22s22p4
1s42s2
4
The Atomic Mass is
the same for every element
The exact circumference of an atom
the number of protons + electrons
the number on the periodic table below the chemical symbol
5
Chlorine-35 and Chlorine-37 are isotopes because...
different number of neutrons
same number of protons
same number of protons and a different number of neutrons
same element
6
Frequency is measured in hertz
False
True
7
What does the VSEPR theory do?
Predicts the molecular geometry of a molecule
Demonstrates the importance of covalent bonds
nothing
identifies polyatomic ions
8
What is a mass number?
protons + neutrons
protons + electrons
protons - electrons
protons = neutrons
9
What is energy that is carried in rays like light?
Convection
Radiation
Conduction
Convection Currents
10
A physical constant is a measurable quantity in nature that does not change.
False
True
11
What is the atomic symbol for Lithium?
Lt
La
Li
Lu
12
What is VSEPR Theory?
Valence Sell Electronic Pair Revenge Theory
A and B
Valence Shell Electron Pair Repulsion theory
It is a model that predict the geometry of molecules.
13
What is the SPDF notation for Silicon?
1s2 2s2 2p6 3s2 3p2
1s2 2s2 2p6 3s2 3p1
1s2 2s2 2p6 3s2 3f4
1s2 2s3 2p6 3s2 3p2
14
What are the four quantum numbers?
atomic number, angle, spin, magnet
energy level, angular momentum, magnetic, spin
magnet, isotope, protons, neutrons
energy level, angular momentum, atomic mass, spin
15
Like charges repel one another.
True
False
16
The _______ the Wavelength the lower the frequency?
Higher
Lower
Longer
Shorter
17
What element has the atomic number 7
nitrogen
Calcium
Neon
Oxygen
18
What is ground state?
Alabama
Calling Native Americans Indians.
Reading is not an end to itself, but a means to an end-Adolf
The lowest energy state of an atom or other particle.
19
What is the electron configuration for Chlorine using spdf notation?
1s2,2s2, 2p6, 3s2, 3p7
2.8.7
1s2,2s2, 2p6, 3s1, 3p6
1s2,2s2, 2p6, 3s2, 3p5
20
William Crooke helped discover the electron through his work with ________________ .
electron rays
Crookes rays
aluminum particles
cathode rays
21
An electron carries a ______________ charge.
neutral
negative
positive
22
The heaviest subatomic particle in an atom is a/an _____________.
neutron
electron
proton
23
What element does the atomic symbol K go to?
Kryptonite
Potassium
Krypton
24
What is the SPDF Shortcut for F?
1s^2 2s^2 2p^6
1s^2 2s^2 2p^5
[He] 2s^2 2p^6
[He] 2s^2 2p^5
25
An atom contains ____________ kinds of subatomic particles.
two
three
one
26
Light can travel through an opaque object like a book.
False
True
27
Mass cannot be created or destroyed
Conservation of Mass
Limited Weight
Conversion of Matter
Principle of mass
28
What is the electron configuration for (29)Cu
2+
ion using spdf notation?
1s2, 2s2, 2p6, 3s2, 3p6, 3d9, 4s1
1s2, 2s2, 2p6, 3s2, 3p6, 3d10
1s2, 2s2, 2p6, 3s2, 3p6, 3d9
1s2,2s2, 2p6, 3s2, 3p6, 3d10,4s1
29
What is Wavelength?
The distance between successive crests of a wave
Forms of electromagnetic radiation
A person's ideas and way of thinking
A distinctive feature of radio waves from a transmitter
30
The quantum theory ...
that the Earth's solid outer crust, the lithosphere, is separated in plates
describes the physical properties of nature at small scales
IDK
determines that the laws of physics are the same for non-accelerating thing
31
What are isotopes
Two different types of atoms
Two atoms with different number of neutrons
Two atoms with different number of electrons
Two atoms with different number of protons
32
What is the average mass of all the isotopes of an element?
atomic weight
equals 1.0 amu
atomic mass
mass number
33
The higher the _________, the more energy is in a wave.
Hertz
Transmission of waves
Amplitude
Longitudinal
34
Who was Niels Bohr?
A Norwegian chemist
An American chemist
A British scientist
A Danish physist
35
Who discovered the proton?
Rutherford
Mrs. Walker
Chadwick
J. J. Thompson
36
There are two types of electrical charge.
False
True
37
Frequency refers to the number of ___________ or ___________ that pass a given point each second.
constants
peaks
wave crests
wave troughs
38
The following are characteristics of light wave
act as an electromagnetic wave
travel faster than sound
all the above
act of a particle or photon
39
What model did Rutherford discover?
Nuclear
Quantum Mechanical
Solid Sphere
Plum Pudding
40
What element has the highest atomic number?
Uranium
Oganesson
Adamantium
Plutonium
41
Selenium has which atomic symbol?
Se
Si
Sl
42
What did Niels Bohr do?
Came up with revolutionary theory of atomic structure
Developed the ideas of protons
Nothing
Made more advances in being able to see an atom
43
A proton carries a _____________ charge.
negative
neutral
positive
44
Silver has an atomic symbol of what?
Sn
Ag
Si
45
What are unstable isotopes called?
Radioactive isotopes
Unstable isotopes do not exist
Irrational isotopes
Exploding Kittens
46
All forms of matter try to stay in their lowest possible energy state.
False
True
47
If an object has no electrical charge, we refer to the object as being electrically __________.
dead
nefarious
safe
neutral
48
What is VSEPR?
Valence Shell Electron Pair Repulsion
Valence Shell Electronegativity Power Repulsion
Valence Sphere Electron Pair Repeater
49
What is the atomic symbol for Fluorine?
F
Fr
Fo
Fl
50
What is the atomic number?
The number of electrons in the electron cloud
The number of neutrons in the nucleus
The number of protons in the electron cloud
the number of protons in the nucleus
51
What element has the atomic number 25
Iron
Aluminum
Argon
Manganese
52
What element has the atomic number 15
Potassium
Phosphorus
Chlorine
Oxygen
53
Which of these has the shortest wavelength?
Radio waves
Infrared waves
Gamma waves
Micro-waves
54
Opposite charges repel one another.
False
True
55
Rutherford made the discovery that...
Almost all of an atom's mass is in its nucleus
Atoms make up only living things
Atoms are different from one element to another
All matter is composed of atoms
56
What is the atomic number of Potassium?
20
19
39.098
.098
57
How do I find an element's mass number?
guess the number
add up the mass of protons and neutrons
add the atomic number to the protons
1.6726219•10^-27
