Answer: Atomic Nucleus!
Explanation: All atoms have a dense central core called the atomic nucleus. Forming the nucleus are two kinds of particles: protons, which have a positive electrical charge, and neutrons, which have no charge.
(Yes, it was from google.)
Answer:
the properties of catalyst are
it remains unchanged after chemical reactions
it accelerate or deaccelerate the reaction without taking part in it
Explanation:
they are used to convert raw materials into useful one
catalyst are integral in making plastics
<span>E.) In a chemical reaction, the final amount of the products is determined by the "None of the above"
[ Depends on all physical conditions & chemical situation ]
Hope this helps!</span>
Number
The atomic number is the number of protons in one atom of an element.
Hope this helps!
