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Which of these is a mixture? a) water b) vinegar c) carbon dioxide d) popcorn and salt
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When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?
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The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 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.
Answers: 3
Which of these is a mixture? a) water b) vinegar c) carbon dioxide d) popcorn and salt...
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