Macy has been studying physical and chemical reactions in school. She read about chemical reactions and how energy is either required or released during chemical reactions. Which word describes what type of reaction occurs as a lantern burns brightly? A. physical
B. endothermic
C. nuclear
D. exothermic

oxygen, selenium, tellurium, and polonium.

they're all from the same group as sulfur (group 16).

every chemical equation adheres to the law of conservation of mass, which states that matter cannot be created or destroyed. therefore, there must be the same number of atoms of each element on each side of a chemical equation.

може ли да зареждате повече информация, моля