Am is Americium. It has atomic number of 95 and atomic mass of 243amu. Among other things, it is used for commercial smoke detectors. It is the product of the decay of Uranium.
F is the chemical symbol of fluorine.
The symbol used in a chemical equation to indicate yields is the arrow "->". This arrow separates the reactants from the products in a chemical reaction.
The symbol "->" (arrow) is used in a chemical equation to indicate produces or yields.
The arrow symbol "→" is used in a chemical equation to indicate the direction in which the reactants are transforming into products.
"NH4OH" or NH3(aq) can be both be used as the symbol for aqueous ammonia.
As is the symbol for the element arsenic.
The chemical symbol for lead is Pb; Pd is for palladium.
(aq)
The molybdenum chemical symbol is Mo.
(d) apex
Not formula, but chemical symbol is Pu. No, he means formula (eg: Table Salt/ Halite - NaCl)
Beryllium's chemical symbol is Be.