Answer:
When atoms approach one another closely, the electron clouds interact with each other and with the nuclei. If this interaction is such that the total energy of the system is lowered, then the atoms bond together to form a molecule.
Explanation:
Answer:
siof4 su8f adfi5 9id7 mdsyfn8 dsjfd8ie3 4yb4uj 4bnu4b 4uj4k 38h1487y76 bis4can d2f9id fvs98nd
Explanation:us8s f7 ds8a das8 jf7sd 87sd 45s67f8
Answer:
When the electron changes levels, it decreases energy and the atom emits photons. The photon is emitted with the electron moving from a higher energy level to a lower energy level. The energy of the photon is the exact energy that is lost by the electron moving to its lower energy level.
Explanation:
Answer : The net ionic equation for the precipitation of manganese (II) carbonate from its aqueous solution is given below :

This reaction is an example of displacement reaction.