Chemistry, 04.08.2019 07:30 mikaelalcool49
Which of the following elements has properties different than the rest? a) k b) na c) mg d) s
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The difference between the atomic number of an element and the element’s atomic mass is the number of ions.
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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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Which formula can be used to calculate the molar mass of hydrogen peroxide
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Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o
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Which of the following elements has properties different than the rest? a) k b) na c) mg d) s...
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