Chemistry, 01.12.2020 16:40 carolyntowerskemp
Which of the following is the best hypothesis? A. Chemical reactions and physical reactions are interesting to watch B. How does wood change when it burns in a campfire? C. During a chemical reaction, the total mass of material does not change D. Chemical reactions are easier to identify than physical reactions
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If a bottle of olive oil contains 1.4 kg of olive oil, what is the volume, in milliliters ( ml ), of the olive oil?
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13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.
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Phosphorous can form an ion called phosphide, which has the formula p3−. this ion can form an ion called phosphide, which has the formula p3−. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons
Answers: 2
Which of the following is the best hypothesis? A. Chemical reactions and physical reactions are inte...
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