Chemistry, 30.08.2019 06:00 alyssams4148
The electron configuration for helium (he) is shown below.
1s2
which diagram shows the correct distribution of electrons in the electron shells of a helium atom?
Answers: 2
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Which of the following best describes the formation of plasma?
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The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 β al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide
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What is the independent variable in this investigation? mass volume sample number substance density
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The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false
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The electron configuration for helium (he) is shown below.
1s2
which diagram shows the...
1s2
which diagram shows the...
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