In a molecule of PCl3, 6 electrons will form
A) nonpolar covalent bonds
B) polar covalent bon...
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How has the scientific community addressed the safety of chemicals? a. chemicals are repeatedly tested, even those that have existed for a long time. b. existing chemicals are tested if they have never been tested before. c. chemicals are tested if they are suspected to have caused a problem. d. only new chemicals are tested.
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If a particle has z = 25 and 23 electrons, what is its charge?
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