What is one characteristic of the convection zone inside the sun? large cells of rising and sinking gases
nuclear reactions between hydrogen atoms
thick clouds of dust and gases
cells of circulating gases called granules

a polar bond is formed when electrons are shared unevenly between atoms

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.

un recipient conține 6,4 moli de gaz. gazul hidrogen reprezintă 25% din totalul kilometrilor din container. în cazul în care presiunea totală este de 1.24 atm ceea ce este