Which of the following is an example of when an electron absorbs energy?
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15
Which of the following has a positive charge and a mass of one amu?
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15
A piece of aluminum foil has a mass of 27 grams. About how many atoms does this contain? (Aluminum has a molecular mass of 27 g/mol.)
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15
Which rule states that electrons will go into empty orbitals of the same energy before entering into an orbital with an electron present?
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15
Magnesium has three common isotopes. Based on its average atomic mass, which is the most common?
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15
A computer chip contains 1.20 x 10^23 atoms of silicon. What is its mass? (The molecular mass of silicon is 28 g/mol.)
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thief
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15
Based on Avogadro's number, which of the following is FALSE? (For reference: the molecular mass of helium is 4 g, the molecular mass of carbon is 12 g.)
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15
What is an orbital?
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Which block is manganese (Mn) located in?
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15
How many electrons can fit into the p subshell?
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15
What is the term for the number of peaks that pass through a fixed spot during a given time interval?
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15
What does the Pauli Exclusion Principle deal with?