Which of the following has a noble gas electron configuration?
Na atom
Al3+ ion
Mg+ ion...
Answers: 3
Chemistry, 21.06.2019 13:30
Why are gamma rays not affected by a magnet as they pass over it? gamma rays are composed of only energy. gamma rays do not have enough mass to be affected. gamma rays do not have the right electrical charge to be affected. gamma rays move too fast for anything to affect their pathway.
Answers: 1
Chemistry, 21.06.2019 18:30
Asample of the male sex hormone testosterone, c19h28o2, contains 3.88×10^21 atoms of hydrogen.(a) how many atoms of carbon does it contain? (b) how many molecules of testosterone does it contain? (c) how many moles of testosterone does it contain? (d) what is the mass of this sample in grams?
Answers: 1
Chemistry, 22.06.2019 03:30
Asample of ammonia reacts with oxygen as shown. 4nh3(g) + 5o2(g) 4no(g) + 6h2o(g) what is the limiting reactant if 4.0 g of nh3 react with 8.0 g of oxygen? o2 because it produces only 0.20 mol of no. nh3 because it produces only 0.20 mol of no. o2 because it produces two times less no than nh3. nh3 because it produces three times more no than o2.
Answers: 3
Chemistry, 22.06.2019 04:20
Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from
Answers: 1
Computers and Technology, 11.02.2020 23:28
Computers and Technology, 11.02.2020 23:28
Mathematics, 11.02.2020 23:29
Computers and Technology, 11.02.2020 23:29
Computers and Technology, 11.02.2020 23:29
Computers and Technology, 11.02.2020 23:29