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Chemistry, 22.06.2019 06:00
Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.
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Chemistry, 22.06.2019 13:10
Which electron configuration represents the electrons in an atom of sodium in the ground state at stp
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Chemistry, 22.06.2019 20:30
A40 kilogram skier starts at the top of a 12 meter high slope. at the bottom, she is travelling 10 meters per second. how much energy does she lose to friction
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Chemistry, 23.06.2019 06:30
Acompound has the molecular formula c3h8. which class of organic compounds does it belong to?
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Calculate the hydrogen ion concentration for a solution with pOH value 4.6.
Answer in units of mol...
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