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Nitrogen is colorless because the minimum energy to excite an electron is in the ultraviolet section of the spectrum.
Q11: The heating curve shown was generated by
Q16: Hydrogen is unique among the elements because
Q42: The phase diagram of a substance is
Q49: Using the table of average bond energies
Q54: Which group 6A element is a metal?<br>A)tellurium
Q55: There are _ σ and _ π
Q62: The halogens, alkali metals, and alkaline earth
Q81: Alternative but equivalent Lewis structures are called
Q100: Which of the following liquids will have
Q105: A sample of He gas (3.0 L)at