Answer: B. An experiment that directly tests the hypothesis
Explanation:
Yasir didn’t really test his experiment he only ask people for the opinion on which color they like so he forget to actually do the experiment therefore the answer is b.
The coefficients next to the symbols of entities indicate the number of moles of a substance produced or used in the chemical reaction.
Answer:
The answer is C
Explanation:
This is the answer because it is the only way that it is okay to split in half.
The process in which a gaseous substance is converted into a condensed, more usable chemical substance is called fixation
Answer:
clf3
Explanation:
it occupied more than 8 valence electrons