Chemical reactions contain which of the following?
A chemical change
B involve the motion of electrons
C formation of chemical bonds
D all of the above
D?
I agree.
Yes, the correct answer is D - all of the above.
To understand why the answer is D, let's break down each option:
A - Chemical change: Chemical reactions involve a chemical change where the substances involved undergo a transformation. This change can result in the formation of new substances with different chemical properties.
B - Involvement of electrons: Chemical reactions involve the motion of electrons. During a chemical reaction, electrons are transferred or shared between atoms, leading to the formation of new chemical bonds.
C - Formation of chemical bonds: Chemical reactions often involve the formation or breaking of chemical bonds. When atoms come into contact, new chemical bonds can be formed or existing bonds can be broken. This bond formation or breaking is a crucial part of chemical reactions.
Therefore, since chemical reactions involve a chemical change, the motion of electrons, and the formation of chemical bonds, the correct answer is D - all of the above.