Chemistry, 18.11.2020 17:10 lucarignot
An element with the electron configuration: [noble gas] ns2 (n - 1)d10 np3 has how many valence electrons.
a. 2
b. 15
c. 3
d. 10
e. 5
Answers: 2
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Achemist needs to prepare a buffer solution of ph 8.80. what molarity of nh3 (pkb = 4.75) is required to produce the buffer solution if the (nh4)2so4 in the solution is 1.8 m?
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An element with the electron configuration: [noble gas] ns2 (n - 1)d10 np3 has how many valence elec...
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