group 1 elements.
Yes, it is the ammonium hydroxide - NH4OH.
Germ-X is a homogeneous mixture.
LiX (when X = non-metals from group 17)
3
Its oxide must be X2O.
Yes. An x-ray is a compound machine.
The word x-ray is a common compound noun. The word Xbox is a proper compound noun.
It depends upon what elements X and Y are, but under certain circumstances, it could yield compound XY.
an enzyme
1,3-bisphosphoglycerate
group 1 elements.
There are no compound words in the English language that begin with the letter x.
The statement "He or she could tell you" has a compound subject - there are two nouns preceding the verb. A compound predicate would be "He could tell you about airplanes or about trains."
Yes, it is the ammonium hydroxide - NH4OH.
No, it isn't. One of the clues of telling that is isn't, is that hydrogen is a gas, and If it was an alkali METAL, it would not be a gas, but a metal. Its place on the table does make sense, though; hydrogen tends to behave like other members of it's column in chemical reactions. For example, All of the alkali metals, and hydrogen Combine with oxygen to form the compound X2O, where "X" is either Hydrogen, Lithium, Sodium, Potasium, Rubidium, Cesium, or Francium.
Calcium Carbonate