Chemistry, 04.06.2020 14:00 tammydbrooks43
During an experiment, Stephanie found 4.5 mg of iron in a 750 g water sample. How many parts per million of iron are in the water sample ?
Answers: 1
Chemistry, 22.06.2019 03:30
The atomic radius of sodium is 186 pm and of chlorine is 100 pm. the ionic radius for na+ is 102 pm and for cl– is 181 pm. in going from na to cl in period 3, why does the atomic radius decrease while the ionic radius increases? a. the inner electrons in the sodium cation shield its valence electrons more effectively than the inner electrons in the chloride anion do. b. the inner electrons shield the valence electrons more effectively in the chlorine atom than in the chloride anion. c. the outermost electrons in chloride experience a smaller effective nuclear charge than those in the sodium cation do. d. the outermost electrons in chloride experience a larger effective nuclear charge than those in the sodium cation do. e. monatomic ions are bigger than the atoms from which they are formed.
Answers: 2
Chemistry, 22.06.2019 23:50
Which scientists contributed to the determination of how cfcs in clouds in the upper atmosphere could destroy ozone molecules
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Chemistry, 23.06.2019 04:20
The graph shows one consequence of urban sprawl. how did urban sprawl contribute to the change in biodiversity
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Chemistry, 23.06.2019 06:30
What happens to the glucose molecule during the process of cellular respiration? (5 points) select one: a. it gets broken down. b. it forms oxygen. c. it builds muscles. d. it uses up energy.
Answers: 3
During an experiment, Stephanie found 4.5 mg of iron in a 750 g water sample. How many parts per mil...
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