Answer:
An Arrhenius Base
Explanation:
The definition of this is a base that is a hydroxide ion donor.
Answer: The closeness, arrangement and motion of the particles in a substance change when it changes state. Materials are a store of internal energy , due to the motion of particles and the chemical bonds between them. When a substance is heated, its internal energy increases: the movement of its particles increases.
Explanation:
Answer:
it cannot be separated by physical methods
Explanation:
Energy equals mass times the speed of light squared
It is b the metric system
