Answer:
the number of protons and neutrons in an atom
Explanation:
To find the atomic number you just have to add the protons to neutrons.
<span> POCl3 is the correct way to write the chemical formula for this compound</span>
I believe the answer is D. No major plate boundaries cut through the continent of Africa.
Number 1 is B number 2 is C
Answer:
A reaction mechanism is the sequence of elementary steps by which a chemical reaction occurs. A reaction that occurs in two or more elementary steps is called a multistep or complex reaction. ... The slowest step in a reaction mechanism is known as the rate-determining step.