Transcript Jeopardy - Central Lyon CSD

Chemistry
Chapter 3 Review Game
Chemistry
Chemistry
Chemistry
Chemistry
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The smallest particle of an
element that retains the
properties of that
element.
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What is an atom?
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A positively charged
subatomic particle.
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What is a proton?
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Atoms with the same
number of protons but
different numbers of
neutrons.
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What is an isotope?
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Total number of protons
and neutrons in an atom.
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What is mass number?
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Total number of protons in
the nucleus of an atom.
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What is atomic number?
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Lived from 460 BC to 370
BC and was among first to
suggest makeup of the
atom.
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Who was Democritus?
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His theory suggested
atoms of the same
element are identical.
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Who is Dalton?
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The range in size of most
atomic nuclei is this.
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What is 5
m to
2 x 10-10 m?
-11
x10
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He used cathode ray tubes
to reason electrons are
part of atoms.
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Who is Thomson?
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Relative mass of an
electron.
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What is 1/1840 mass of
hydrogen atom?
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The difference between
hydrogen 1 and hydrogen
2.
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What is hydrogen 1 has no
neutron, hydrogen 2 has 1?
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Equals one amu.
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What is 1/12 of the mass
of carbon-12?
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Chlorine has two isotopes:
chlorine-35 and chlorine37. The atomic mass for
chlorine is 35.45 amu.
Which is more abundant?
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What is chlorine-35?
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Element’s mass numbers of
isotopes: 32 is 19%
abundant and 34 is 81%
abundant. What is the
average atomic mass?
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What is 33.62 amu?
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Mass number of an element
with 101 protons and 104
neutrons.
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What is 205?
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Atomic number of an
element with 43 protons
and 46 neutrons.
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What is 43?
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Experiment by Rutherford
that led him to believe
atoms are mostly empty
space.
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What is the Gold Foil
Experiment?
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An element has three
isotopes with mass
numbers and relative
abundances of: 68 and
50%, 69 and 25%, 71 and
25%. What is the
average atomic mass?
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What is 69 amu?
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Number of particles in the
nucleus of an atom with a
mass number of 82.
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What is 82 particles?
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Dalton’s Atomic Theory
states these things:
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What is:
1) All elements are composed of tiny individual particles called atoms.
2) Atoms of same element are identical and different from those of
other elements.
3) Atoms of different elements can physically mix or chemically
combine in whole number ratios.
4) Chemical reactions occur when atoms are separated, joined, or
rearranged. Atoms of one element are never changed into atoms of
another element in a chemical reaction.
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