Chemistry, 12.08.2020 05:01 boneyke3720
Identify the pairs among the following that are not isoelectronic:
a. Cl- and Na+
b. Te2- and Ba2+
c. Ca2+ and Kr
d. Ar and Ca2+
e. Na+ and Al3+
Answers: 3
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In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 4.20 mol fe and 6.70 mol nio(oh) react?
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Ms. sullivan's class is designing a miniature roller coaster. after first setting it up, they find that it didn't have enough speed to go through the loop de loop. instead of taking out the loop, they decide to increase the height of the first hill the coaster goes down, and this adds the speed needed to make it through the loop. what would be a drawback to this plan in real life? a) no one likes loop de loops. b) there is no downside to this plan. c) a higher hill means a scarier ride. d) a higher hill takes more time and material to build.
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Identify the pairs among the following that are not isoelectronic:
a. Cl- and Na+
b. Te2- and...
b. Te2- and...
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