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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 06:00
Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?
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Atoms of which two elements in the ground state contain the same number of valence electrons?...
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