Chemistry, 29.08.2020 03:01 jcutler2751
Oxygen has an atomic number of 8. Which of the following could form the nucleus of an isotope of
oxygen?
4 protons and 4 neutrons
O 6 protons and 2 neutrons
O 6 protons and 8 neutrons
8 protons and 10 neutrons
Answers: 2
Chemistry, 22.06.2019 15:20
Select the most likely product for this reaction: koh(aq) + co2(g) β ? k2co3(aq) + h2o(1) k(s) + h2(g) + o2(g) k(s) + co3(9) +h2
Answers: 2
Chemistry, 22.06.2019 20:20
The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.
Answers: 1
Chemistry, 22.06.2019 22:30
Which of the following is true about the speed of light? it depends on the wavelength.
Answers: 3
Oxygen has an atomic number of 8. Which of the following could form the nucleus of an isotope of
ox...
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