Ihave 2 questions:
sulfur has an atomic number of 16 and belongs in group 6 on the periodic...
Ihave 2 questions:
sulfur has an atomic number of 16 and belongs in group 6 on the periodic table. calcium has an atomic number of 20 and belongs in group 2 on the periodic table. which element has a greater reactivity and why?
how do you know if an element in reactive or not?
Answers: 3
Chemistry, 22.06.2019 10:30
Geothermal energy for industrial use is available almost anywhere. a.true b.false
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Chemistry, 22.06.2019 18:00
Mercury turns to vapor at 629.88 k how much heat is lost 175 g of mercury vapor at 650 current condenses to a liquid at 297 ca mercury turns to weber at 629.88 kelvin how much he is lost 175 g of mercury vapor and 650 coming condensers to liquidate 297 kevin
Answers: 2
Chemistry, 23.06.2019 00:30
Element j is 1s 2s 2p 3s . (i) how many unpaired electrons does j have? (ii) is j a good oxidizing agent or a reducing agent? (iii) state reason for the answer.
Answers: 1
Chemistry, 23.06.2019 05:00
How many atomic mass units are equal to 1.672×10−24 g of protons?
Answers: 3
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