All of the following are characteristics of non-metals except:.
A. All nonmetals appear in the upper left-hand corner of the periodic table
B. Often bond to other nonmetals by forming covalent bonds
C. Tend to form negative ions in chemical reactions with metals
D. Poor conductor of electricity
E. Do not have a shiny (lustrous) appearance
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In the analysis of hair and fiber samples, which does a compound comparison microscope allow for that a conventional compound microscope does not? a. simultaneous observation b. polarization c. fluorescence d. higher magnification
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The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3. a large increase in pressure will a. lower the freezing point b. raise the freezing point c. lower the boiling point d. raise the triple point e. lower the triple point
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All of the following are characteristics of non-metals except:.
A. All nonmetals appear in the uppe...
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