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Chemistry, 21.06.2019 21:00
Of the groups of elements below, which are most likely to gain electrons to become anions? a. alkali metal b. boron group c. halogen d. transition metal
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Chemistry, 22.06.2019 06:00
The tilt of the earth's axis of rotation is responsible for the a) ocean's tides. b) size of the moon. c) brightness of stars. d) earthβs seasons.
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Chemistry, 23.06.2019 15:00
What is the mass in grams of 0.94 moles of sodium bicarbonate, nahco3?
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Different elements must have different numbers of what? (a) protons (b) electrons (c) neutrons (d...
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