Across a period of the Modern Periodic Table, the atomic size of elements decreases due to
A. decrease in nuclear force of attraction
B. increase in nuclear force of attraction
C. photoelectric effect
D. shielding effect
Answer:B
Across a period of the Modern Periodic Table, the atomic size of elements decreases due to
A. decrease in nuclear force of attraction B. increase in nuclear force of attraction C. photoelectric effect D. shielding effect