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Question | Answer |
---|---|
What does periodic mean? | Something that occurs or repeats at regular |
What does periodic law mean? | The law that states that the repeating chemical and physical properities of elements change periodically with the atomic numbers of the elements. |
What does period mean? | In chemistry, a horizontal row of elements in the periodic table |
What is a group? | A vertical column of elements in the periodic table; elements in a group share chemical properties. |