The periodic classification is an arrangement of the elements
- atomic weights
- isotopic weights
- molecular weights
-
atomic numbers
The correct answer is: D
Explanation
Elements in the periodic table are arranged according to their atomic number (proton number). Electronegativity increase from left to right while atomic radius increases down the group
Elements in the periodic table are arranged according to their atomic number (proton number). Electronegativity increase from left to right while atomic radius increases down the group
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