Gases are less dense and the molecules are farther apart which means that it can be compressed
Chemical reaction, generally speaking. It's a vague definition, but it's easy to remember.
Answer:
Robert
Explanation:
There is not more than one colour
A. 1/2
Explanation- There is a 5/10 chance of choosing on of the numbers which simplifies to 1/2
B. When electrons gain energy, they have the power to move up to a higher energy level in an atom.