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Chemistry, 21.06.2019 15:00, grayfaith16
1) how many electrons are in each energy level of the following elements? a. he b. na c. na d. ne 2) how many valence electrons are percent in the following atoms? a. s b. mg c. be d. cl 3) which of the following elements are stable as atoms? a. he b. o c. cl d. ar if you are able to provide the work as to how you got the answers that would be greatly appreciated. : )
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Chemistry, 22.06.2019 05:30, tifftiff22
Arecipe calls for 1.2 cups of oil. how many liters of oil is this?
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Chemistry, 22.06.2019 06:30, coreyslotte
Use examples from the article to explain one positive and one negative effect that chemistry has had on society.
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How much energy is released when 2.25kg of water cools from 99.5°C to 4.2°C? 1000g=1kg; 1000J=1kJ; s...
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