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Jeopardy
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The AtomPeriodic
TableMisc. 1 Electrons
Elements and
Radioactive Decay
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Final Jeopardy
1 - $100
What two subatomic particles can be found in the nucleus of an atom?
Protons and neutrons
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What charge do each of the subatomic particles in the
nucleus have?
Protons – Positive
Neutrons – Neutral
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What subatomic particle is found in energy levels
surrounding the nucleus and what charge does it
have?
Electron - negative
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How many possible energy levels are there?
7
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What are the maximum number of electrons that can exist in the 3rd, 4th, 5th, 6th, and 7th energy levels?
18
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What is the periodic table composed of?
The elements that make up all mater.
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What are the columns called?
Families.
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What does each family tell us about the number of electrons in the outer energy level?
The number of electrons there are in that energy level.
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What are the rows called?
Periods
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What does each period (row) tell us about the number of energy levels?
The number of energy levels of an atom is the period number it is in. (EX – He and H are in the first period, so these elements have only one energy level.
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What does the atomic number tell us?
It tells us the number of protons and electrons the
atom has.
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What is the atomic mass?
The atomic mass is the average mass of the element’s
isotopes.
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What can the atomic mass tell us about the number of
neutrons in the nucleus?
The number of neutrons can be determined by
subtracting the atomic number of the atomic mass
number.
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What is an isotope?
Atoms of the same element with different numbers of neutrons.
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What is an element made up of?
One kind of atom
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How many electrons can be in the first energy level?
Two
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How many electrons can be in the second energy level?
Eight
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What is an ion?
An atom that has either gained or lost an electron.
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If an atom gains an electron, does that atom become positive or negative?
Negative.
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Draw the atom for the element potassium.
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Helium has an atomic number of 2 and its atomic mass is 4.003. How many protons, neutrons and electrons does helium have?
2 of each
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Fluorine has an atomic number of 9 and an atomic mass of 18.998. How many protons, neutrons, and electrons does fluorine have?
Protons = 9, Neutrons = 10, Electrons = 9
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How many energy levels does the element Francium have and how many electrons does its outer orbit have?
7 energy levels and one electron
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Draw the atom for the element Sulfur?
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Carbon 14 has a half life of 5,730 years. How many years have gone by after Carbon 14 has decayed by 2 half lives?
5,730 x 2 = 11,460
Final Jeopardy
An isotope has a half life of 15 years. How many years have gone by when only 1/8 of the original sample is remaining?
45 years
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