Responses
Elements are in order so that each element has an atomic mass that is 1 greater than the previous element.
Elements are in order so that each element has an atomic mass that is 1 greater than the previous element.
Elements with similar properties are grouped together in a pattern.
Elements with similar properties are grouped together in a pattern.
Elements are in order according to the number of neutrons in their nucleus.
Elements are in order according to the number of neutrons in their nucleus.
Elements are grouped by multiples of atomic number.
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The correct response is:
Elements with similar properties are grouped together in a pattern.
The periodic table is organized by increasing atomic number (the number of protons in the nucleus), but what is particularly unique about it is that elements with similar chemical properties are grouped in columns (or groups), which reflects trends in their behavior and characteristics.
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