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Chemistry, 23.06.2019 04:20
The lewis diagrams for magnesium and fluorine are shown below. what is the correct chemical formula for magnesium fluoride? a. mgf b. mg2f c. mgf2 d. mg2f3
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Chemistry, 23.06.2019 05:30
Awhite powder is added to a solution. the images show observations made before the powder is added, just after the powder has been added, and a little while later. (the liquid in the small beaker is phenol red solution.) what evidence shows that a chemical change has taken place?
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Chemistry, 23.06.2019 06:20
An object of mass 10.0 kg and volume 1000 ml and density 10 g/ml sinks in water whoโs density is 1.0 g/ml. what is the mass of the water which has been displaced in kilograms
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Chemistry, 23.06.2019 10:30
Chemical bonds result from the interaction of the from two or more atoms. a. protons b. electrons c. neutrons d. nuclei
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What happens to the energy that is lost when water freezes...
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