What is the ground state electron configuration for arsenic

How are isotopes of the same element alike?

The chemical formula for emerald is be3al2(sio3)6.an emerald can be decided as

Asubstance is held in an open container. its particles move past one another at random speeds but do not leave the container. heat is removed from the system, and the particles slow down. when enough heat is removed, the particles no longer have enough speed to overcome the weak attractive forces between them. when this happens, the substance enters its solid state. the process described above is known as .