The element ______________ is a purple-black solid that sublimes readily.
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Q169: Give the formula, including the ionic charge,
Q170: The element _ is a soft, active
Q171: The formula for sulfuric acid is _.
Q172: The element _ displays some chemical properties
Q173: Arrange the atoms magnesium, fluorine, strontium, and
Q174: Arrange the atoms calcium, barium, chlorine, and
Q175: The alkali metals have _ valence electron(s).
Q176: Use the periodic table to find the
Q177: Give the common ionic charge for each
Q179: Give the chemical symbol for each element.
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