Chemistry, 15.12.2020 21:20 kyracrapse121
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A mystery element has 18 protons. Which one of the following statements is true about the element?
The element belongs in row 2 of the periodic table and is classified as a halogen.
The element belongs in row 3 of the periodic table and is classified as a noble gas.
The element belongs in row 4 of the periodic table and is classified as an alkali metal.
The element belongs in row 5 of the periodic table and is classified as an alkaline earth metal.
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Provide a stepwise curved arrow mechanism that fully explains the outcome of the reaction shown below. oh нао* heat он
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Chemistry, 22.06.2019 07:30
Free answer. the treaty of versailles ended world war i, but some of the terms of the treaty contributed to the beginning of world war ii. which was one of the terms of the treaty? the answer would be "germany was forces to pay reparations to the allied countries.". i hope this .
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Apump contains 0.5 l of air at 203 kpa.you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump
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Is it safe to take 450mg of diphenhydramine hydrochloride?
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A mystery element has 18 protons. Which one of the following...
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A mystery element has 18 protons. Which one of the following...
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