Adaptive Practice
Periodic Table
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Easy
Who is known as the 'Father of the Periodic Table'?
Easy
In the modern periodic table, elements are arranged in order of increasing:
Easy
Which of the following elements is a noble gas?
Easy
The elements in Group 1 of the periodic table are called:
Medium
Which of the following statements is TRUE about periods in the periodic table?
Medium
Why does atomic size generally decrease across a period from left to right?
Medium
Which element is located in Period 3 and Group 17 of the periodic table?
Hard
What is the valency of an element in Group 15 of the periodic table?
Medium
Which of the following elements is a transition metal?
Hard
The element with electronic configuration 2, 8, 1 belongs to which group?