Answer:
True
Explanation:
These organisms are called unicellular, and can be different from multicellular organisms
Answer:
Noble gases are nonreactive, nonmetallic elements in group 18 of the periodic table. Noble gases are the least reactive of all elements. That's because they have eight valence electrons, which fill their outer energy level.
Elements: Argon
Answer:
I believe it is B
Explanation:
I am on this lesson too :)
For an atom to be neutral the protons and the electrons should be equal.
Therefore the number of protons are 5
So A is the answer.