Chemistry, 14.07.2019 01:00 psychocatgirl1
How many atoms of gold (au,196.97 g/mol) are in a gold nugget with a mass of 4.259?
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 clβ 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 04:30
Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.
Answers: 1
Chemistry, 22.06.2019 05:50
What are transitions between a liquid and a solid called? identify which way they are transitioning
Answers: 2
Chemistry, 23.06.2019 04:00
What are the names of these two interactions with cattle and how do they differ from each other
Answers: 3
How many atoms of gold (au,196.97 g/mol) are in a gold nugget with a mass of 4.259?...
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