Most physical and chemical changes in matter include a change of energy true or false

Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass

Draw metallic bonding if two copper

With the largest atoms and the smallest number of valence electrons and with the smallest atoms and the greatest number of valence electrons are the most reactive. a. nonmetals; metals b. nonmetals; transition elements c. transition elements; metals d. metals; nonmetals