They have two or eight electrons in their valence shell. They do not gain, lose or share electrons.
Answer:
True
Explanation:
Reason being there are 3 systems even in the open system the heat and matter goes in and out , the closed system the heat goes in and out as well and in the isolated system it stays in
I would believe that the answer is B. Neutrons
Electrons don't have any mass
Charges and atoms don't even make sense in this question
Answer:
Helium will heat up the fastest
Explanation:
The reaction will shift toward the products.
Adding more reactant will shift the reaction to the product.