Classification Of Elements And Periodicity In Properties Question 54
Question: Which has the highest second ionisation potential [AIIMS 1991]
Options:
A) Nitrogen is a chemical element with the symbol N and atomic number 7. It is a colorless, odorless, and tasteless gas that makes up about 78% of Earth’s atmosphere. Nitrogen is essential for life and is a key component in proteins, nucleic acids, and other biological molecules. It exists in various forms, including diatomic molecules (N₂), nitrates, and ammonia. Nitrogen plays a crucial role in the nitrogen cycle, which is vital for sustaining life on Earth.
B) Carbon is an element with the symbol C and atomic number 6. It is a chemical element that is the basis of all known life on Earth and is the most abundant element in the universe by mass.
C) Oxygen
D) Fluorine
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Answer:
Correct Answer: C
Solution:
In second transition electron is to be removed from half filled d-orbital.
BETA
