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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, 23.06.2019 13:30
The process by which liquid water changes into water vapour is called what ?
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Chemistry, 23.06.2019 19:00
X-rays are used instead of visible light because x-rays have shorter than visible light, allowing them to produce images of much greater detail. a) energies b) frequencies c) speeds d) wavelengths
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Chemistry, 23.06.2019 19:30
How many kmin (kilominutes) are there in 18 weeks and 5 days?
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What is true about natural handwriting...
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