A. • Elements with similar properties are grouped together in a pattern.
B. • Elements are in order so that each element has an atomic mass that is 1 greater than the previous element.
C. • Elements are in order according to the number of neutrons in their nucleus.
D. • Elements are grouped by multiples of atomic number.
3 answers
The correct answer is: A. • Elements with similar properties are grouped together in a pattern.
This reflects the organization of the periodic table, where elements are arranged in rows (periods) and columns (groups or families) that share similar chemical properties.
