The alkali metals all have
a- 4 electrons in their outer energy level
b- 3 electrons in...
Chemistry, 26.08.2019 13:20 lorrainelopez
The alkali metals all have
a- 4 electrons in their outer energy level
b- 3 electrons in their outer energy level
c- 2 electrons in their outer energy level
d- 1 electron in their outer energy level
Answers: 1
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Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.
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An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.
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To apply in a gold the individual gold atoms are united to each other by means of a metallic bond. how would you use the gold block to determine the atomic radius of a gold atom?
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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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