The Alkaline Earth Metals (Group 2) What is an alkaline earth metal? Any element in Group 2 Form oxides and hydroxides that are “earths” (insoluble in.
Hydrogen has three naturally occurring isotopes, denoted 1H, 2H, and 3H. Other, highly unstable nuclei (4H to 7H) have been synthesized in the laboratory.
QUIZE 2 Define Ionization Energy. Write trends of Ionization Energy in periodic table, and why? Write the reaction between lithium Li and nitrogen. As.
