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Chemistry, 02.09.2020 16:01 leapfroggiez
I tried to be as specific as possible. :) Activity In this activity, you'll answer questions based on the video you watched about allergy-causing germs found in pillows. Part A Scientific investigation starts with an observation of a natural phenomenon or problem. What observation prompted the family to conduct a scientific investigation? Part B Scientific experiments answer questions. When Dr. Philip Tierno conducted his experiment on the pillows, what question was he trying to answer? Part C How did Dr. Tierno find the answer to his question? Part D What were the results of the experiment? Part E The results of an experiment often prompt new questions that further scientific investigation can answer. From the results of this experiment, name one new question that a new experiment can answer. Part F Why do you think this experiment fits in the category of life science?
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Chemistry, 21.06.2019 14:20, kingaman
Which of the following statements is not true? • a. covalent compounds have low melting and boiling points. • ob. covalent bonds between atoms of a compound are relatively weak compared to bonds between molecules. • c. covalent bonds occur between nonmetals. • d. covalent compounds are often gases or liquids.
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Chemistry, 22.06.2019 07:30, 10040813
The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
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Chemistry, 23.06.2019 12:00, Pointjazzyqueen602
How can nonpolar molecule contain polar covalent bonds
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