Answer:
true
Explanation:
when molecules of a solid substance is vibrating so, it means they are possessing average kinetic energy. thus, we can conclude that the statement all the molecules of a substance posses the average kinetic energy value is true.
Coefficients, you can’t change the subscripts but you can balance the equation by adding coefficients to both sides
The answer to your question is C. A solution is a homogeneous mixture composed of two or more substances, so it couldn't have been A and D. Since a solution can't have its substances separated by a chemical means because they are chemically bonded, thus they are able to be separated by physical means
Answer:A+B - AB
Element a reaction with element b to create the newest element ab
28) All elements are made of atoms
29)Protons and Neutrons
-Electrons make up the outside of the Nucleus