Isotopes of an element are defined has that has same atomic number but different mass number mean they have different number of neutrons
so the statement that best describe a similarity is
<span> same atomic number; different mass number
</span>so correct option is C
hope it helps
The cell is the smallest functional unit of life, which is why it is sometimes referred to as the building block of life.
Answer:D this part of Arizonan use to be much wetter
I took the test and got it right
