Chemistry 1121 test || with Accurate Answers 100%.
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Course
Chemistry 1121
Institution
Chemistry 1121
Dalton's Atomic Theory:
atoms
identical
compounds
given compound
reactions
atoms correct answers 1. Each element is made up of tiny particles called ___________
2. the atoms of a given element are ________ ; the atoms of a different elements are different in some fundamental ways
3. chemi...
Chemistry 1121 test || with Accurate Answers 100%.
Dalton's Atomic Theory:
atoms
identical
compounds
given compound
reactions
atoms correct answers 1. Each element is made up of tiny particles called ___________
2. the atoms of a given element are ________ ; the atoms of a different elements are different in
some fundamental ways
3. chemical ___________ are formed when atoms combine with each other.
A _____________ has the same relative numbers and types of atoms
4. chemical ___________ involve reorganization of the atoms ~~ changes in the way they are
bound together. the ________themselves are not changed in a chemical reaction
Accuracy correct answers Proximity of a measurement to its actual value
Chemistry correct answers The study of the properties of matter and how matter changes
Scientific method correct answers The logical sequence of steps used to solve an a analytical
problem
Hypothesis correct answers A possible solution that explains all the known factors
Theory correct answers A general principle or solution that explains or solves a problem
Experiment correct answers An investigations based on controlled environments
Measurement correct answers Comparing unknown quantity with an known fixed unite
Precision correct answers The degree of reproducibility of a measurement
Significant figures correct answers All accurate figures plus one estimated last figure
Order of scientific method correct answers State the problem
Research the problem
formulate a hypothesis
Test the hypothesis
Formulate a theory
Communicate the results
Specific gravity correct answers Ratio of mass of a substance compared to the mass of an equal
volume of pure water
Three most common derived units used in chemistry correct answers Area, volume, density
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