Chemistry, 20.03.2020 09:51 princessa15266
Select the correct answer.
An element has atomic number 10 and an atomic mass of 20. How many neutrons are in the atom of this element?
A.10
b.20
D. 0
E. 200
Answers: 2
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What is the vapor pressure of a solution with a benzene to octane?
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Atoms contain subatomic particles called protons and neutrons. when these protons and neutrons spilt, a lot of energy is released
Answers: 3
Select the correct answer.
An element has atomic number 10 and an atomic mass of 20. How many...
An element has atomic number 10 and an atomic mass of 20. How many...
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