The model below shows an atom of an element. 10 light gray and 8 dark gray balls sit at the center with 2 concentric black rings around them. the inner ring has 2 medium gray balls on it, and the outer ring has 6 medium gray balls on it. at bottom, a dark gray ball = +1, a light gray ball = 0, a medium gray ball = negative 1. what is the atomic number of this atom? a. 6 b. 8 c. 9 d. 16
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Chemistry, 22.06.2019 19:00, innocentman69
How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next
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Chemistry, 23.06.2019 08:00, johngayden46
The biosphere of the earth is made up of . a. inorganic b. organic
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The model below shows an atom of an element. 10 light gray and 8 dark gray balls sit at the center w...
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