Answer:
It is negative
Explanation:
11 negative charges is more than 9 positive charges, so the higher number takes over the lower one making the entire substance negative.
The mass of N-15 is 15 amu.
Chemical elements are represented using their symbols, their mass number and their proton numbers. The mass number of this isotope of nitrogen is shown next to the symbol. Regardless of the mass of the isotopes, their proton number is the same, which is 7.
I think it’s B. I’m not 100% sure but I believe it is B! Srry if this is late btw.
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Answer:
Chemical reactions that take place inside living things are called biochemical reactions. The sum of all the biochemical reactions in an organism is referred to as metabolism. Metabolism includes both exothermic (heat-releasing) chemical reactions and endothermic (heat-absorbing) chemical reactions.
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