Molecules are composed of atoms held together through

gravity

chemical bonding

hydrogen bonding

friction

Select the correct answer how does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed? ca the value of is negative the value of qis positive the value of a remains constant the value of a decreases the value of equals zero e

Amixture that has two or more substances that are spread out evenly is called a. compound b. heterogeneous c. substance d. homogeneous

Which sample at stp has the same number of atoms as 18 liters of ne at stp