Electron configuration for chromium
The electron configuration for chromium (Cr) is 1s22s22p63s23p63d54s1. The noble gas configuration is 3d54s1....
Electron configuration for potassium
The electron configuration for potassium (K) is 1s22s22p63s13p64s1. The noble gas electron configuration for potassium is 4s1....
How many valence electrons does radium have?
Radium (Ra), with an atomic number of 88, was discovered by Marie Curie. This alkaline earth metal has 2 valence electrons and has an electron configuration of 7s2....
The Compound Name for PH3
PH3 is a covalent compound (and thus the naming system for covalent compounds is used to name it.) The compound name for PH3 is phosphorous trihydride. It’s also known...
Emerald Chemical Formula
The chemical formula for emerald is Be3Al2(SiO3)6. Note that the formula for emerald is actually that of beryl. This is because emeralds are a variety of beryl. The green...