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Match it! Select the correct answer from the pull down...Good luck!
Each line in the spectra represents the energy
45 u
3
23
A
4.0 mol
2-8-7-2
X and A
released as an electron moves from a higher energy state to a lower energy state
What is the number of moles of C that must completely react to produce 2.0 moles of C2H6?
45 u
3
23
A
4.0 mol
2-8-7-2
X and A
released as an electron moves from a higher energy state to a lower energy state
Which elements are present in this mixture?
45 u
3
23
A
4.0 mol
2-8-7-2
X and A
released as an electron moves from a higher energy state to a lower energy state
What is the total number of neutrons in an atom of K-42?
45 u
3
23
A
4.0 mol
2-8-7-2
X and A
released as an electron moves from a higher energy state to a lower energy state
Which ion has a charge of 2-?
45 u
3
23
A
4.0 mol
2-8-7-2
X and A
released as an electron moves from a higher energy state to a lower energy state
Which electron configuration represents a potassium atom in an excited state?
45 u
3
23
A
4.0 mol
2-8-7-2
X and A
released as an electron moves from a higher energy state to a lower energy state
What is the approximate mass of an atom that contains 26 protons, 26 electrons and 19 neutrons?
45 u
3
23
A
4.0 mol
2-8-7-2
X and A
released as an electron moves from a higher energy state to a lower energy state
Which particle diagram represents a mixture?
45 u
3
23
A
4.0 mol
2-8-7-2
X and A
released as an electron moves from a higher energy state to a lower energy state
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