Chemistry, 02.07.2021 17:40 kamber3728
Match each scientist with the contribution he made to the arrangement of elements in the periodic table.
created groups of three elements,
Antoine Lavoisier
each based on similar properties
Dmitri Mendeleev
arranged elements according to their
atomic mass
used patterns to predict undiscovered
elements
John Newlands
+
divided elements into four categories
Johann Wolfgang Döbereiner
Answers: 1
Chemistry, 22.06.2019 07:00
Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant
Answers: 3
Chemistry, 22.06.2019 08:40
Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.
Answers: 2
Chemistry, 22.06.2019 10:40
If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !
Answers: 1
Match each scientist with the contribution he made to the arrangement of elements in the periodic ta...
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