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Live Science on MSNPeriodic table of elements quiz: How many elements can you name in 10 minutes?In this periodic table of elements quiz, you have 10 minutes to name as many elements as you can, given only their symbol, ...
Scientists use the periodic table to quickly refer to information about an element, like atomic mass and chemical symbol. The periodic table’s arrangement also allows scientists to discern trends in ...
Dr. Tim: So this is the periodic table and each letter on it represents a different element. We call these letters symbols. And an element is a pure substance made from only one type of atom.
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