The periodic classification is an arrangement o... - JAMB Chemistry 2018 Question
The periodic classification is an arrangement of the elements
A
atomic weights
B
isotopic weights
C
molecular weights
D
atomic numbers
correct option: d
In the periodic table, elements are arranged according to their atomic number (that is, proton number).
In the periodic table, electronegativity increase from left to right while atomic radius increases down the group
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