Which of the following Group 15 elements is the most abundant in the Earth's atmosphere?
Nitrogen
Arsenic
Phosphorus
Antimony
Nitrogen is the most abundant element in the Earth's atmosphere, making up approximately 78% of the air we breathe. Hence option 1 is the correct answer.
Option(2) Nitrogen is the most abundant element in the Earth's atmosphere, making up approximately 78% of the air we breathe. Hence option 2 is incorrect.
Option(3) Nitrogen is the most abundant element in the Earth's atmosphere, making up approximately 78% of the air we breathe. Hence option 3 is incorrect.
Option(4) Nitrogen is the most abundant element in the Earth's atmosphere, making up approximately 78% of the air we breathe. Hence option 4 is incorrect.