before we start, make sure each group has a calculator, periodic table, and a white board
DESCRIPTION
Before we start, make sure each group has a calculator, periodic table, and a white board. No notes though. Choose Your Category. The Final Question. History - 100. I proposed this as the model of the atom. The Answer is JJ Thomson. Back. History - 200. - PowerPoint PPT PresentationTRANSCRIPT
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Before we start, make sure each group has a calculator, periodic
table, and a white boardNo notes though
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Choose Your CategoryHistory Atoms and the
Periodic TableAtomic Parts
Isotopes Laws Radiation
100 100 100 100 100 100
200 200 200 200 200 200
300 300 300 300 300 300
400 400 400 400 400 400
500 500 500 500 500 500
The Final Question
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History - 100
• I proposed this as the model of the atom.
Back
The Answer is JJ Thomson
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History - 200
• I was known as the “Father of Modern Chemistry”.
Back
The Answer is Lavoisier
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History - 300
• I discovered the neutron.
Back
The Answer is James Chadwick.
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History - 400
• I used the oil drop experiment to determine the charge/mass of an electron.
Back
The Answer is Millikan.
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History - 500
• I gave us the Law of the Conservation of Mass.
Back
The Answer is Lavoisier.
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Atoms and the Periodic Table - 100
• This element has an atomic mass of 1.01?
Back
The Answer is Hydrogen
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Atoms and the Periodic Table - 200
• This element has 12 protons in its nucleus?
Back
The Answer is Magnesium.
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Double Jeopardy
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Atoms and the Periodic Table - 300
• Write the nuclear symbol of the element with 24 protons and 28 neutrons.
Back24
52Cr•The Answer is
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Atoms and the Periodic Table - 400
• What is the mass of an element with 25 protons, 25 electrons, and 30 neutrons?
Back
The Answer is 55.
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Atoms and the Periodic Table - 500
Back•The Answer is 34, 34, 46
Isotope Number of Protons
Number of Electrons
Number of Neutrons
Selenium - 80
Complete the chart:
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Atomic Parts - 100
• I am the center of an atom.
Back
The Answer is the nucleus.
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Atomic Parts - 200
• When I change, the element changes?
Back
The Answer is the proton.
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Atomic Parts - 300
• When I am lost, an ion is created.
Back
The Answer is the electron.
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Atomic Parts - 400
• I change the atomic mass, but not the atomic number.
Back
The Answer is the neutron.
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Random Points
200
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Atomic Parts - 500
• What subatomic particles have a mass that impacts the mass of the atom?
Back
The Answer is protons and neutrons.
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Isotopes - 100
• What do isotopes of the same element differ in?
Back
The Answer is neutrons.
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Double Jeopardy
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Isotopes - 200
• Calculate the average atomic mass for carbon if its abundance in nature is 79.3% carbon-12, 13.3% carbon-13, and 7.4% carbon-14.
Back
The Answer is 12.3 g/mol
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Isotopes - 300
• One isotope of aluminum is aluminum-27. The 27 refers to the ______________ (two words).
Back
The Answer is mass number.
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Isotopes - 400
• The ____________________ of an isotope is the time required for half the nuclei in a sample of the isotope to undergo radioactive decay.
Back
The Answer is half-life
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Double Jeopardy
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Isotopes - 500
• What is the half-life of an isotope if 150 g of a 600 g sample of the isotope remains after 2.0 years?
Back
•The Answer is 1.0 years.
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Laws - 100
• The law that states that mass cannot be created or destroyed in ordinary chemical and physical changes.
Back
The Answer is Law of Conservation of Mass
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Laws - 200
• The law that states that a chemical compound always contains the same elements in exactly the same proportions by weight or mass.
Back
The Answer is Law of Definite Proportions
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Laws - 300
• During a chemical reaction, a group combines 5.00 grams of sodium and 7.72 grams of chlorine. The result of the reaction was 12.72 grams of sodium chloride. Which law does this support?
Back
The Answer is Law of Conservation of Mass
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Laws - 400
• The law that states that when two elements combine to form two or more compounds, the mass of one element that combines with a given mass of the other is in ratio of small whole number.
Back
The Answer is Law of Multiple Proportions
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Laws - 500
• Every molecule of octane, an important component is gas, has eight carbon atoms and eighteen hydrogen atoms. Which law does this support?
Back
The Answer is Law of Definite Proportions
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Radiation - 100
• We discovered Polonium and Radium?
Back
The Answer is Pierre and Marie Curie
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Random Points
400
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Radiation - 200
+ 2
This formula shows the
___________________ of matter
e1
0
e1
0
The Answer is annihilationBack
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Radiation - 300
• This type of radiation is a fast moving electron?
Back
The Answer is Beta.
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Radiation - 400
• Curium-246 combines with carbon-12 to form nobelium-254 and four neutrons. Is this fusion or fission?
Back
The Answer is fusion
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Double Jeopardy
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Radiation - 500
• Fill in the blank, identify the radioactive particle, and tell whether that particle was emitted or captured.
eAt1
0_____
85
222
Back
The Answer is beta emissionRn86
222
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The Final Question
• The final question has to deal with:
»Percent Composition
Make your wager and hand it to the teacher
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Average Mass
• Carbon, hydrogen, and oxygen combine to make C2H6O2. What percent by mass do you have of each element?
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And the Answer is:
• C = 38.7%
• H = 9.7%
• O = 51.6%