"Secular term"? I wasn't aware there was a religious term for it.
Nitrogen plus hydrogen is "nitrogen and hydrogen". The two can combine chemically to form ammonia (NH3) or hydrazine (N2H4). Other combinations are possible but unlikely.
madrigal
The term used to mean the opposite of religious or sacred is "secular" or "profane."
Temporal, lay, worldly...
"Secular" is a word having to do with non-religious beliefs or practices. So the answer is "No".
They are called nitryfying bacteria. Examples are Rhizobium, Anabena etc
A secular novice is a beginner or newcomer to a field of study or practice that is not related to religion or spiritual matters. This term typically refers to someone who is new to secular pursuits or disciplines, such as secular philosophy, science, or art.
False. The term "secular" means not religious or related to religious matters. It pertains to things that are worldly or non-religious in nature.
the scientific term for air is Carbon Dioxide
A secular trend refers to a long-term and sustained movement in a particular direction or pattern, typically lasting for many years or even decades. In finance, a secular trend is often used to describe the overall direction of a market, independent of short-term fluctuations.
It's called a hydrogen bond. (There's also a vaguely similar concept called a "dipolar" or "dative" bond, but the fact that you've limited it specifically to hydrogen, oxygen, and nitrogen means that "hydrogen bond" is almost certainly the term you're looking for.)
same attitude towards every religion
Nitrogen balance is the term that describes the comparison between nitrogen consumption and nitrogen excretion in a given time period. This balance is important to assess protein intake and utilization in the body.