1)C. 2)A. 3)D. 4)C. 5)A. 6)A. 7)B. 8)B. 9)A. 10)B.
I believe its A. please correct me if im wrong! <3
Answer:
the first energy level is closest to nuclear the second energy level is a little farther away than the first
Common denominator - Find the Least Common Multiple of the denominators (which is called the Least Common Denominator).
Change each fraction (using equivalent fractions) to make their denominators the same as the least common denominator.
Then add (or subtract) the fractions, as we wish!
Least common denominator - You do the same thing for the common denominator
Option A is the correct option.
In terms of the collision theory, increasing the concentration of a reactant increases in the number of collisions between the reacting species per second and therefore increases the reaction rate.