Chemistry, 07.02.2021 22:00, nathang444
18) Which two ions have the same electron configuration in the ground state?
A) Rb+ and Cs+
B) Ba2+ and I-
C) Se2+ and I-
D) Fe2+ and Fe3+
Answers: 2
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Ineed to find the answer of this question because i dont understand it
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Chemistry, 22.06.2019 14:00, ashlynneboogs0056
8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.
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Chemistry, 22.06.2019 19:00, HaydenSturgis1
Which is the solubility product expression for caf2(s)?  [ca2+]/[f–]2  [ca2+][f2–]  [ca]+[f]2  [ca2+][f–]2
Answers: 3
Chemistry, 22.06.2019 20:00, ahnorthcutt4965
Acm ruler with main graduations from 1 to 10 from left to right there are 10 secondary graduations between each of the main graduations there is a line that begins. at the left end of the ruler 10 secondary graduations to the left of the “1 main graduation the right end of the line ends on the eighth secondary graduation to the right of 3 how long is the line
Answers: 1
18) Which two ions have the same electron configuration in the ground state?
A) Rb+ and Cs+
B...
B...
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