In which way does a balanced chemical equation demonstrate the conservation of matter? O A. It shows the same number of atoms of each element on both sides of the equation.
B. It shows how the atoms of an element can appear on only one side of the equation.
C. It shows how matter can be both created and destroyed by a chemical reaction.
D. It shows the same number of molecules of each compound on both sides of the equation.

100mg magnesium reacts with 20ml of 1.0m hcl

Write two balanced equations 1. dissolving of solid sodium hydroxide in water 2. the reaction of sodium hydroxide solution with hydrochloric acid

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 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.