Answer:
Copper (II) fluoride
Explanation:
Copper (II) fluoride b/c fluoride is charge -1, so if its F2 that must mean copper was +2.
Transition metal-nonmetal nomenclature:
Metal name + (charge in roman numeral) + non-metal_ide
<span>Ptyalin hydrolysis does not continue in the stomach because it is destroyed by the stomach once it enter the stomach. </span>
Ptyalin is an amylase enzyme commonly found in the saliva of
humans and animals. This enzyme is secreted in the mouth ( buccal cavity) and catalyze
the hydrolysis of starch into maltose and dextrin. Immediately the starch
leaves the mouth and enter the stomach, stomach acids destroy the ptyalin.
I believe it is class, because species are divided into different classes, but families, for example: there's the cat family, and there's the dog family. classes: the carnivores, herbivores, omnivores OR mammals, egg laying, or hermaphrodites
i think it is 2 but i could be wrong
