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Chemistry, 22.06.2019 00:00
Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.
Answers: 1
Chemistry, 22.06.2019 15:00
Which of the following is the correct formula for copper (i) sulfate trihydrate? cuso4 · 3h2o cuso4(h2o)3 cu2so4(h2o)3 cu2so4 · 3h2o
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Chemistry, 22.06.2019 15:50
How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate
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Chemistry, 22.06.2019 18:00
Heat is the total potential energy of a substance that can be transferred. true false
Answers: 1
Consider the following reaction: 2 Bi(s) + 3 Cl2(g) → 2 BiCl3(s)
How many grams of chlorine gas ar...
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