Which of the following would be a good definition for energy?
A. Something you hold in your hand.
B. Saving energy through using your
bicycle.
C. measure of a substance's ability to do
work (make something move) or
cause a change in matter
B. spinning top on a table.

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

What is true for a substance that releases energy

Why does ammonia, nh3, behave as a base when it reacts with an acid? z