A) sulfide mineral: Contain sulfur plus a metallic element
B) sulfate mineral: Compounds that have a sulfur atom surrounded by four oxygen atoms
C) halide minerals: Contain elements like fluorine, bromine, iodine, or chlorine combined with metals. Stable salt is an example of this type of mineral
D) carbonate mineral: Compounds made up of a carbon atom that is bordered by three oxygen atoms.
Answer:
Na (sodium) and HCl (hydrochloric acid)
Explanation:
The products are the salt and hydrogen gas
Whenever you see the word react it means those are the reactants (usually whatever compound comes before and after the word). Because they are reacting with each other.
Whenever they say "is produced" those are the products
Answer:
D. Collect a large sample number
Explanation:
With a larger sample number, that means that more people participated and gave the correct answer. If you constantly change the variable, the answer may always be the same but because of the variable you changed.