croissant
feuilletee
There is no French pastry going by the name of pemberton.
Pastry named after a French general would be "Napoleon."
A pastry shop in French is une pâtisserie. (I'm not sure what you mean by "official name", though.)
The symbol comprises the first two letters of the name of the element.
Focaccia
The symbol comprises the first two letters of the element's name.
croissant
The name for a pastry bakery is spelled "patisserie" (French pâtisserie).
a butter pastry. It is a croissant in french. The English word for it is croissant.
The French crescent-shaped pastry you are referring to is known as a croissant (pronounced Kre-sahnt or kre-sawnt in English and closer to Kre-swa- in French).
A croissant.