Chemistry, 31.08.2019 19:30 juliayaccarinoo
Determime the number of moles in the following compounds; a. 125 g of h2so4 b. 35 g of cuso4 × 5h2o
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.
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Chemistry, 22.06.2019 09:30
Which element is the least metallic between cadmium, silver, zinc, or iron?
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Chemistry, 22.06.2019 23:10
Using the periodic table, complete the following. element: hydrogen symbol: h₂ molecular weight: g mass of one mole: g/mol
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Chemistry, 23.06.2019 00:30
Balance the following reaction. as2s3 + 9o2 → 2as2o3 + so2
Answers: 2
Determime the number of moles in the following compounds; a. 125 g of h2so4 b. 35 g of cuso4 × 5h2o...
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