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Electron Configuration
Isotopes
Subatomic Particles
History
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100
What is the abbreviated electron configuration of As?
[Ar]3d104s24p3
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What is an isotope
variants of atoms of a particular chemical element, which have differing numbers of neutrons.
100
What is the charge of a neutron
Neutral
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Who is the "father" of the periodic table?
Dmitri Ivanovich Mendeleev
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What are the vertical rows called?
Groups
200
What's the abbreviated electron configuration of Np?
[Rn]5f46d17s2
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What are the two isotopes for hydrogen?
h-1 and h-2
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What makes up the nucleus of an atom?
protons and neutrons
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What were the original "elements"?
Earth, Water, Air, Fire, and Aether
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What are the horizontal rows called?
Periods
300
What atom has the electron configuration of [Rn]7s2
Radium
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If the isotopes for carbon are C-12 and C-13, which one is more abundant?
C-12
300
Name the 4 major sub levels?
s,p,d,f
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When were the "noble gases" added to the periodic table?
1898
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Where are the noble gases at on the table?
The last group
400
In the electron configuration of 1s^2, what does the 1 stand for?
the first energy level
400
How many neutrons are in an isotope of Ar-40?
22
400
Does a hydrogen atom lose or gain an electron when bonding with chlorine?
Lose
400
Who first attempted to make the periodic table?
Beguyer de Chancourtois
400
What group and period is Potassium?
Group 1, period 6
500
Why are electron configurations important?
Because it can tell you how many valence electrons are in an atom and that tells you how stable the atom is.
500
How many neutrons are in both isotopes of neon?
10 and 11
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What role does a neutron play in an atom?
to contribute to the binding energy or nuclear glue that holds the nucleus itself together.
500
Who made the "modern" periodic table?
Glenn Seaborg
500
What range of atomic numbers are the Lanthanoids?
57-70