An atomic physicist determines that an atom is composed of 8 positively charged particles and has a mass of 15 amu. which is the best conclusion that can be drawn? a. 7 neutrons and 8 protons. b. 7 electrons and 8 protons. c. 8 neutrons and 7 electrons. d. 8 electrons and 7 protons.
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What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients
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Awhite powder is added to a solution. the images show observations made before the powder is added, just after the powder has been added, and a little while later. (the liquid in the small beaker is phenol red solution.) what evidence shows that a chemical change has taken place?
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Chemistry, 23.06.2019 06:30
What type of chemical reaction occurs between silver nitrate (agno3) and copper (cu)? the equation i was given is 2agno3 + cu β> 2ag+ cu(no3)2.
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An atomic physicist determines that an atom is composed of 8 positively charged particles and has a...
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