Which of the following properties of elements deceases generally across a period in the Periodic Table?
Question 1 Report
Which of the following properties of elements deceases generally across a period in the Periodic Table?
Answer Details
The correct answer is "Atomic radius". Across a period in the Periodic Table, the atomic radius generally decreases. This is because, as you move from left to right across a period, the number of protons in the nucleus increases, and the number of energy levels or shells remains the same. This results in a greater attractive force between the positively charged nucleus and the negatively charged electrons in the outermost shell, pulling them closer to the nucleus and hence decreasing the atomic radius.
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