Chemical Reactions 10
Select the correct answer from each drop-down menu.
What types of energy are involved in a chemical reaction?

_ is the energy required for a chemical reaction to take place, and _
is the energy associated with every substance.

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.