Question

name the era when nitrogen was absent from the atmosphere​

Answer 1

Hey

I want to say that your question is completely wrong. Don't think me wrong but the actual fact it that the time from when earth started to form it was largely made up of Nitrogen and Carbondioxide.

Hope you understood it.

Please mark me as the BRAINLIEST.

Answer 2

Answer:

ExplanatNitrogen in the atmosphere is more abundant than life-sustaining oxygen. This gas is needed by humans, animals, and plants for manufacturing proteins and other essential building units.

Mountain Tundra

Lone Tree In Field

In 1772, a Scottish physician named Daniel Rutherford discovered the element ‘nitrogen’. As an element, it is denoted by the letter ‘N’. It has the atomic number 7 and atomic mass number 14. Also known as ‘nitrum’ in Latin and ‘Nitron’ in Greek, nitrogen exists in the form of a diatomic gas in the atmosphere (N2), and is attributed with characteristic features like being tasteless, odorless, and colorless. Nitrogen in the liquid form bears semblance to water. Besides N2, nitrogen also exists in the form of ammonia, nitric acid, organic nitrates, uric acid, urea, etc., which happen to be important commercial compounds. Non-metal nitrogen consists of five electrons in its outermost shell, thereby forming triple bonds in most compounds. Thus, a triple bond is formed between two nitrogen atoms to form a molecule.ion: