Answer:
That would be an isotope. An very common example is Carbon-14. Hope this helps.
An atom consists of an atomic nucleus composed of positively charged protons and neutral or uncharged neutrons.
Answer:
False
Explanation:
Hydrogen bonds are a weak chemical bond
Answer: The Answers are, A: happens all the time, D: can be caused by genetic drift, and E: can be caused by natural selection.