Which statement among the following is true?
a) ions are formed by adding or removing p...
Chemistry, 19.10.2019 09:10 sterlingrobinson35
Which statement among the following is true?
a) ions are formed by adding or removing protons or electrons.
b) scientists believe that solids are mostly open space.
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
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Why are people not able to scuba dive in the deep part of the ocean
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Chemistry, 22.06.2019 08:20
What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5
Answers: 3
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