Its 2+! Dont mind this hdhdhdjhdndbdbdbdbsnnsjdndsnjd
Answer:
Explanation:
uestion
If an atom of an element has a mass number of 45 and it has 20 neutrons in its nucleus, what is the atomic number of the
element?
A microorganism is an organism (living thing) that can't be seen with just your eyes. It can only be seen when viewed through a microscope. Some examples are: bacteria, viruses, and archaea.
134.5 grams in 4.5 moles of Li2O (lithium oxide).
