Answer:
The force that keeps the planets in orbit is gravity.
It describes how, when particles/mc/elements react, despite forming different substances the mass is neither created nor destroyed but only converted.
Answer:
potassium contains both Ionic and covalent bonds
Answer:
molecus in a gas cool down
Explanation:
the molecules lose heat and energy do they slow down they move closer to other molecules and form a liquid
<span>d. A catalyst will be used up in the reaction is wrong,
amount of catalyst should not change</span>
