Chemistry, 04.09.2019 21:20 ElegantEmerald
18. when we conduct an experiment the condition we are investigating the one thing we want to know about is called the
a. question
b. hypothesis
c. control group
d. variable
19. the group of experimental subjects that is left “natural” or left unchanged is called the
a. control group
b. experimental group
c. hypothetical group
d. testable group
20.the group of experimental subjects that has the one condition changed is the
a. control group
b. experimental group
c. hypothetical group
d. testable group
21. when the experiment is complete the researcher
a. starts another experiment
b. researches new questions
c. analyzes the data and comes to a conclusion
d. repeats the experiments for validity
Answers: 2
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Answer explain why it is not possible to deduce a complete order of reactivity.
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Acm ruler with main graduations from 1 to 10 from left to right there are 10 secondary graduations between each of the main graduations there is a line that begins. at the left end of the ruler 10 secondary graduations to the left of the “1 main graduation the right end of the line ends on the eighth secondary graduation to the right of 3 how long is the line
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Examine the false statement. compounds are the smallest unit of an element that occur most commonly in nature. select the rewording of the statement that is true. a: atoms are the smallest unit of an element that commonly occur in nature. b: molecules are the smallest unit of an element or compound that commonly occur in nature. c: molecules are the smallest unit of a compound that occur on the periodic table. d: compounds are the smallest unit of an element that occur on the periodic table
Answers: 1
18. when we conduct an experiment the condition we are investigating the one thing we want to know a...
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