Answer:
The Aufbau Principle
Explanation:
In the ground state of an atom or ion, electrons fill atomic orbitals of the lowest available energy level before occupying higher-energy levels.
Answer:
No
Explanation:
I'm not educated enough on the matter but from what I've been taught water boils at 100 Celsius and it simultaneously evaporates.
Oceans are the most common of course
A. Industrial pollution, the rest are considered positive
The effective nuclear charge is the net positive charge experienced by valence electrons
