Answer:
a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.
(from goo gle)
A explanation for something that doesn't seem to be answered completely, usually very implausible.
Explanation:
An atom is the smallest unit of ordinary matter that forms a chemical element.
oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus.
Explanation:
I think you wanted to ask what is the meaning by the term alloy:
alloy is a metallic substance which is composed of two or three elements, as either a compound or solution..
B) Equal to the number of protons
C I think is the right answer
