Transcript 800 - SchoolRack

History
Compounds
Mixtures
Terms
Periodic
Table
Changes
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Mixtures
Conversions
Safety
Measurement
Atoms
Changes
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Final Jeopardy
Final Jeopardy
Category
Final Jeopardy
answer
question
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Who was Dmitri Mendeleev?
Russian chemist who noticed
a repeating pattern- Father of
the Periodic Table
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What are elements identified in Ancient
Times?
Gold, Copper, Silver
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What is the atomic number (number of
protons)?
The elements are arrange by
this
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Who is Moseley?
He rearranged the periodic
table by atomic number.
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Who is Demokritos?
First proposed atoms in
Ancient Greece.
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What is 24?
The number of atoms in this
compound: C6H12O6
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What is 2?
The number of elements in
this compound: HCl
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What are Calcium, Carbon and Oxygen?
The names of the elements in
this compound: CaCO3
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What are Carbon, Hydrogen, Nitrogen,
Oxygen and 24 atoms?
The names of the elements
and total number of atoms in
this compound: C8H10N4O2
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What is Carbon, Hydrogen, Oxygen,
Nitrogen, Magnesium and 137?
The names of the elements
and total number of atoms in
this compound:
C55H72O5N4Mg
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What is a Homogenous mixture?
Components are blended
evenly throughout
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What is a Heterogeneous mixture?
Components are easily
distinguished.
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What is a Solution?
A homogeneous mixture that
remains constantly and
uniformly mixed.
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What is a Colloid?
Milk, Toothpaste, paint and
gelatin are examples of this
homogenous mixture.
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What is suspension?
A heterogeneous mixture
containing a liquid in which
visible particles settle.
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What are periods?
Name of horizontal rows on
the periodic table.
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What are molecules?
Two or more atoms bonded
together.
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What are mixtures?
Two or more substances in
the same place at the same
time and can be separated by
physical means.
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What are protons and neutrons?
Atomic mass is made up of
these sub-particles.
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What are compounds?
Two or more elements
bonded together.
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What is lithium?
This elements atomic number
is 3.
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What is Zirconium?
This element has an atomic
mass of 91 and 51 neutrons.
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What is 115?
Iridium has an atomic number
of 77 and atomic mass of
192, the # of neutrons is:
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What are 107 protons, 107 electrons and
157 neutrons?
The atomic number is 107:
the #’s of protons, neutrons
and electrons…
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What are 17 protons, 17 electrons, 18
neutrons and the element Chlorine?
The atomic number is 17: the
#’s of protons, neutrons,
electrons and the element…
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What is a physical change?
A change in shape or size
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What is a Chemical Change?
Burning
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What is a Physical Change?
Dissolving
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What are physical changes?
Freezing, Boiling,
Evaporating or Condensing.
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What is a chemical change?
A precipitate is formed.
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What is a Heterogeneous Mixture?
Human Blood
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What is a Suspension or heterogeneous
mixture?
Italian Salad dressing
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What is a Colloid?
A mixture that displays the
Tyndall Effect.
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What is a homogeneous mixture or a
solution?
Dr. Pepper
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What is the solvent?
The substance that does the
dissolving.
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What is 86,400 mg?
864g converted to mg
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What is .0368 l
36.8kl converted to l
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What is .000729 mm
729.4 km converted to mm
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What is .0764 h?
275 sec converted to hours
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What is 3.07 days?
265,000 sec converted to days
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What are safety goggles?
Used anytime chemicals, heat
or glassware are used
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What is away from you?
When using a razor blade or
scissors you should always
cut…
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What is before leaving the science room?
Clean your work area, wash
your hands with soap and
water and return all
equipment to the proper
storage area should be done..
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What is False?
T or F- It is okay to pick up
broken glass with your bare
hands as long as the glass is
placed in the trash can.
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What is tell the teacher at once?
You have been injured in the
lab (burned, cut etc.). First
you should…
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What is length?
The measurement of the
distance between two points.
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What is volume?
The measurement of the
amount of space something
takes up.
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What is mass?
The measurement of the
amount of matter in an
object?
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What is a gram (g)?
The unit of measurement
recorded using a triple beam
balance.
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What is a milliliter (ml)?
The unit of measurement
recorded using a graduated
cylinder.
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What is a proton?
The positively charged (sub)
particle located in the
nucleus?
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What is a negative charge?
The charge of the sub-particle
located in the energy levels or
orbits.
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What is in the nucleus and neutral?
The neutron is located where
in the atom and has what
charge?
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What is an atom?
The smallest unit of matter
that still maintains the
properties of that element.
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What is subtract the atomic number from
the atomic mass?
To determine the number of
neutrons in an atom of an
element.
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What is a physical change?
Chopping wood is an
example of:
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What is a Physical Change?
Cracking an Egg open
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What is a chemical change?
Cooking an egg on the stove.
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What is a chemical change?
Rusting metal
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What is a chemical change?
Digesting Food
Daily
Double
answer
question
Daily
Double
answer
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Daily
Double
answer
question
The Jeopardy champion!