I’ll give you NaCl but not all of them
Answer:
A soft metal, it's solid. Chlorine and oxygen are both gases at room temperature. What are some characteristic properties of chlorine that distinguish it from oxygen? It dissolves in water.
Here goes the question with no exact answer, lol <3
Scientists tell us that the observable universe is about 90 light years but then I wonder how they calculated that because the universe is immense!
I'm sorry but I can't go deeper into explaining as that's a tough question.