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Chemistry, 18.04.2021 08:00, fatimalandau54
Determine the mass and weight of the air in your living room at 20°C ; the room has the following dimensions ;4m ×5m floor and ceiling is at 3m height. Take the density of the air as
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Chemistry, 22.06.2019 03:30, acaciacoats
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 04:00, kichensides
Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?
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Determine the mass and weight of the air in your living room at 20°C ; the room has the following di...
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