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Section 1 - Atomic Theory & Atomic Structure Flashcards | StudBud
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Section 1 - Atomic Theory & Atomic Structure
Section 1 - Atomic Theory & Atomic Structure
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AcaDeca Science 2023 (pgs 6-15)
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1
Who developed Pauling electronegatives?
Paracelsus Pauling
Pauling Linus
Lecuppius Pauling
Linus Pauling
2
What is an orbital?
Where the nucleus moves around an electron.
A chart containing known stable atoms according to electron placement.
A place where a planet travels around the sun.
A place where e^- is located in relation to nucleus.
3
In the Periodic Table, which is the main groups/columns?
Group B
Group A
Metal Group
Group C
4
What is the photoelectric effect?
Photon transfers energy to electron, which is emitted from a metal surface.
Photons are emitted from an atom.
An atom moves across the electromagnetic spectrum.
Energy transfer from one atom to another.
5
If the EN value difference is greater than 1.8, the bond formed is...
Covalent
Ionic
Metallic
Hydrogen
6
Which is false about Dalton's atomic theory?
All matter is composed of atoms
Different atoms combine into different ratios to form compounds
Same atoms have the same properties
Chemical reactions = atoms rearranging
7
Where did Dalton propse his modern Atomic Theory?
The Modern Atomic Theory
Newspapers
Leucippus and Democritus
A New System of Chemical Philosophy
8
If the EN value difference is less than 0.5, the bond formed is...
Covalent
Polar Covalent
Nonpolar Covalent
Ionic
9
When was the Scientific Revolution?
16th-17th century
18th century
21st century
15th-16th century
10
How to find the number of neutrons in an element?
Total Mass -p^+=n^0
e^-+p^+=n^0
Total mass+e^-=n^0
Total mass+p^+=n^0
11
A mass spectrometer contains:
Ion source, mass analyzer, detector
Atom source, mass analyzer, detector
Ion source, photon analyzer, detector
Atom source, mass analyzer, photon analyzer
12
What is a photon?
A quantum of sound energy
An atom with an electric charge
A quantum of light energy
A photo
13
What is the difference between Bohr's atom model and Quantum Mechanical atom model?
Bohr's shows movement of electrons, while Quantum Mechanical does not.
Bohr's shows stationary e-, while Quantum Mechanical has moving e-.
Bohr's model is fake, while Quantum Mechanical model is real.
Bohr's model has no nucleus, while Quantum Mechcanical model does.
14
Deutrium, \frac{2}{1}H, is used...
Used in fusion reactors with \frac{3}{1}H
Used as a tracer to examine \frac{1}{1}H reactions
Used to measure the weight differences between elements
Used as a normal \frac{1}{1}H
15
What is a nuclide?
Nuclear weapons
An arrangement of protons and neutrons, forming a nucleus
An arrangement of protons and electrons, forming a nucleus
A wall protecting the nucleus
16
How long is the halflife of \frac{14}{6}C?
4299 years
5730 years
100 years
5.3 years
17
What is an isotope?
A different term for ion
An atom with an electric charge
An atom with a different atomic mass
An atom with extra protons
18
What is electronegativity?
The force exerted from the negative pole from a magnet
An electron that texts negative messages to its surrounding protons.
A neutron becoming slightly negative, due to electron influence.
The measure of atom's e^- attraction vs adjacent atom's e^- attraction.
19
What is the electron number equal to?
Proton number
Neutron number
Z (atomic number)
None
20
True or False: \frac{60}{27}Co is more radioactive than X-rays.
False
True
21
In a period, atomic radius decreases from...
Top to Bottom
Bottom to Top
Left to Right
Right to Left
22
What is the atomic number of \frac{13}{6}C?
6
7
13
.67
23
Who proposed the Law of Conservation of Mass (during reactions, substances are not created nor destroyed)
John Dalton
Antoine Lavosier
Leucippus and Democritus
Joseph Louis Proust
24
John Dalton, an English chemist/meteorologist/physicist, created:
Dalton's Law of Partial Pressures
Law of Definite Proportions
Law of Conservation of Mass
Atomic Theory
25
An atom has...
Neutral charge
Positive charge
Nucleic acid
Negative charge
26
What do you need to calulate a weighted average of isotope mass?
Mass of isotopes
Mass of ions + abundance of each ion
Mass of ions
Mass of isotopes + abundance of each isotope
27
An ion has...
Electric charge
Neutral charge
Different number of protons + electrons
No protons
28
True or False: Families in the Periodic Table do not share similar properties.
True
False
29
(In a period), Ionization energy, energy required to remove outer e^-, increased from...
Left to Right
Right to Left
Bottom to Top
Top to Bottom
