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Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine
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Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.
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Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?
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Chemistry, 22.06.2019 20:30
Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.
Answers: 1
(Physical Science)
Which group of metals includes elements with one valence electron? (1 point)
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