Answer:
I think its b
Explanation:
but I wouldn't depend on this answer
All atoms of the same element have the same
number of protons. Every atom also has a nucleus.
Answer:
A. Students made a measurement error, because ending with more products is impossible.
Explanation:
The law of conversation of matter tells us that in a chemical reaction, matter is never created or destroyed, it's simply converted from one form to another. So the mass of reactants should always equal the mass of the products in a chemical reaction. If there is excess mass in the product, the students have made an error of some kind.
It would be A bc carbon is NOT usually a product. You can find out more about the by searching combustion reactions, then u should be able to answer the questions on your own.
Answer:
I think this is how you draw it, but I'm not entirely sure.
Explanation:
Screenshot below: