Q. First element is:
Nitrogen
O Oxygen
O Hydrogen
Carbon
Answers
Answered by
2
Answer:
Hydrogen
Explanation:
known to be the first element in the periodic table of elements. It has one proton in its nucleus and one outter electron. It is a very light gas and also flammable.
Similar questions
Computer Science,
4 hours ago
Hindi,
4 hours ago
Physics,
4 hours ago
Science,
7 months ago
Geography,
7 months ago