Adaptive Practice
Periodicity
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Question 1 of 10
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Easy
Which of the following elements has the highest atomic radius in Period 3?
Easy
What is the general trend in ionization energy across Period 3?
Medium
Which element in Period 3 has the highest first ionization energy?
Medium
Why does the atomic radius decrease across Period 3 despite the addition of electrons?
Hard
Which of the following correctly explains the dip in ionization energy from Magnesium to Aluminium in Period 3?
Medium
In Period 3, which element forms an oxide that is amphoteric in nature?
Easy
What is the electronic configuration of the element with the smallest atomic radius in Period 3?
Medium
Which of the following explains the high melting point of Silicon compared to other Period 3 elements?
Hard
Why does sulfur have a lower first ionization energy than phosphorus despite being to the right in Period 3?
Medium
Which of the following Period 3 elements forms acidic oxides?