I believe your answer would be helium friend :)
Are spotted cats cuter than solid-colored cats?
Answer is D breaking apart I to not more than two
Answer:
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Answer:
These two numbers are fixed for an element. The mass number tells us the number the sum of nucleons of protons and neutrons in the nucleus of an atom. The atomic number also known as the proton number is the number of protons found in the nucleus of an atom. ... The atomic number uniquely identifies a chemical element.
Explanation:
