What do the elements within a "period" have in common? (pick one)
A. same number of electrons
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Chemistry, 11.11.2020 17:50 dogeking12
What do the elements within a "period" have in common? (pick one)
A. same number of electrons
B. similar chemical properties
C. equal number of electron orbits
D. equal atomic number
Answers: 2
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Why did southern business leaders want to increase the number of slaves
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Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what most likelyhappened? energy was created inside the blocks.energy was destroyed inside the blocks.energy was absorbed into the blocks from outside the system.energy was transferred from the warmer block to the cooler block.
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Amixture initially contains a, b, and c in the following concentrations: [a] = 0.300 m , [b] = 1.05 m , and [c] = 0.550 m . the following reaction occurs and equilibrium is established: a+2b⇌c at equilibrium, [a] = 0.140 m and [c] = 0.710 m . calculate the value of the equilibrium constant, kc.
Answers: 1
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According to thomson, the atom is a positively charged cloud with electrons scattered throughout. what would the alpha particles do when they hit the foil if thomson were correct
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