Chemistry, 07.11.2019 02:31 barbaragomez27
What element on the periodic table has a period of 3, and a group of 5?
Answers: 2
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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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Stage in which a typical star has completely stopped fusion
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Chemistry, 22.06.2019 12:10
If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?
Answers: 3
What element on the periodic table has a period of 3, and a group of 5?...
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