The fact that the periodic table is set up such a fashion that certain patterns repeat is known as
a. electronegativity.
b. ionization pattern.
c. radioactivity.
d. periodicity.

How many moles of oxygen react with 12 moles of aluminum

The atom fluorine generally will become stable through the formation of an ionic chemical compound by accepting electron(s) from another atom. this process will fill its outer energy level of electrons.

The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n