N= m/v n=0.077/.200 = 0.385
Answer: Quantum mechanics is a fundamental theory in physics that provides a description of the physical properties of nature at the scale of atoms and subatomic particles. It is the foundation of all quantum physics including quantum chemistry, quantum field theory, quantum technology, and quantum information science.
I making my page look smart :)
Explanation:
2Mg⁺ 2HNO₃ = Mg(NO₃)₂ + H₂
Answer:
It emits energy since to move from a higher energy level to a lower energy level or ground state, it must lose energy.
Smashing a rock is not chemical tgats your answer
