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Transcript of 2 00
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SubatomicBomb
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I’m charged up!
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My relationshipwith a mole
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Switzerland wasneutral too.
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Go Isotopes!
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What subatomic particles are located in the nucleus
of an atom?
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What are the charges of protons, neutrons &
electrons?
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An atom that has 15 protons, 15 electrons, and 16 neutrons has a
charge of this.
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What is the mass number of an atom with 19 protons and 23 neutrons in its nucleus?
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How many more neutrons are found in the nucleus of an iron atom with a mass number 55 than in the nucleus of a calcium atom with a mass number 39?
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An element in column 16 (6A) on the periodic table contains how many valence electrons?
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How many protons and electrons are in the following ion?
Se2-
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Copper forms an ion with a +2 charge. This ion forms when a neutral copper atom does what?
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How many protons and electrons are in the following ion?
Fe3+
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Lithium will form an ion with a charge of what? How will it do this?
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Use the following balanced chemical equation to answer the following:
B2Br6 + 6HNO3 → 2B(NO3)3 + 6HBr
How many moles of HBr will be produced with 11 moles of HNO3?
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Use the following balanced chemical equation to answer the following:
4NH3 + 5O2 → 4NO + 6H2O
How many moles of H2O will be produced with 15 moles of O2?
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Consider the balanced chemical reaction:
2Fe + 3 H2S04 → Fe2(SO4)3 + 3H2
How many moles of Fe2(SO4)3 will be produced if we begin with 150 grams of iron?
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Use the following balanced chemical equation to answer the following:
B2Br6 + 6HNO3 → 2B(NO3)3 + 6HBr
How many grams of B(NO3)3 will be produced with 21 moles of HNO3?
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Use the following balanced chemical equation to answer the following:
4NH3 + 5O2 → 4NO + 6H2O
How many grams of NH3 are needed to produce 90 grams of water?
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All ionic formulas have a charge of this.
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Write the formula for the ionic compound calcium oxide.
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Write the formula for the ionic compound formed by the ions below.
Zn2+ OH-
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Write the formula for the ionic compound formed by the ions below.
CO32- Al3+
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In the formula: (NH4)2SO3
The sulfite ion has a charge of (2-), therefore the ammonium
ion has a charge of this.
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Isotopes of the same element have a different number of what
subatomic particles?
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What is the most common isotope of lead?
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How many neutrons are in an isotope of strontium-86?
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How many protons and neutrons are found in an
isotope of 235U?92
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Calculate the average atomic mass of the following element: the first
isotope has a mass of 37 and a percent abundance of 63.4%, while the second isotope has a mass of 35 and a percent abundance of 36.5%.