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Chemistry, 22.06.2019 13:30, kassandrarosario1115
How many protons, electrons, and neutrons are in each of the following isotopes? a. zirconium-90 b. palladium-108 c. bromine-81 d. antimony-123
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Chemistry, 22.06.2019 23:30, bxymichelle
With the largest atoms and the smallest number of valence electrons and with the smallest atoms and the greatest number of valence electrons are the most reactive. a. nonmetals; metals b. nonmetals; transition elements c. transition elements; metals d. metals; nonmetals
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Chemistry, 23.06.2019 03:00, sharondacarruth1656
Is it safe to take 450mg of diphenhydramine hydrochloride?
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The molecular formula for caffeine is c8h10n4o2. which of the following elements is not found in caf...
Mathematics, 04.01.2021 02:20