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Chemistry, 22.06.2019 18:30
Which of the following words describe the reality that the universe looks the same from various perspective
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Chemistry, 22.06.2019 19:30
Anurse used a 0.02-mg/l solution of disinfection to clean a patients wound. what is the concentration of the solution expressed as a percentage?
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Chemistry, 22.06.2019 21:50
If e is the symbol for an element, which two of the following symbols represent isotopes of the same element? 1. e2. e3. ea.1 and 2c.1 and 4b.3 and 4d.2 and 3
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Chemistry, 22.06.2019 23:10
Using the periodic table, complete the following. element: hydrogen symbol: h₂ molecular weight: g mass of one mole: g/mol
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