Answer:
The science. The noble gases, in order of their density, are helium, neon, argon, krypton, xenon and radon. They are called noble gases because they are so majestic that, in general, they don't react with anything. For this reason they are also known as inert gases
After an experiment, scientists write a Conclusion which summarizes their experiment and results.
Answer:
B
Explanation: Lithium, sodium, and potassium, etc. all react with water
