Which of the following is the largest volume?
4.5 x 102 m3
4.5 x 107 cm3
4.5 x 1...
Chemistry, 31.10.2019 16:31 smancilla2020
Which of the following is the largest volume?
4.5 x 102 m3
4.5 x 107 cm3
4.5 x 104 dm3
5.0 x 108 mm3
Answers: 3
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Temperature and kinetic energy are proportional. a) adirectly b) directly c) indirectly
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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 08:00
Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.
Answers: 2
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