Chemistry

What alkali metal is highly radioactive and decays into either astatine, radium, or radon?

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What symbol appears on the periodic table for Plutonium which has the atomic number 94?
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What is another name for synthetic gas made from coal?
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What is the pH of a .1 M solution of HCl?
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What two solvents could be used in a successful extraction?
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What is the fourth most abundant element in the universe by mass?
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Reacting an alkene with water produces which of the following?
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Which will have the smallest increase in temperature for the same amount of heat?
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What makes matter expand when it's heated and contract when it's cooled?
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