Mg + 2HCl → MgCl2 + H2 1. Is the equation above balanced? How do you know? 2. Give an example of a substance changing temperature and what happens to the motion of molecules as the temperature changes?

Compare and contrast physical changes with chemical changes.

The atom fluorine generally will become stable through the formation of an ionic chemical compound by accepting electron(s) from another atom. this process will fill its outer energy level of electrons.

He nucleus contains the cells genetic material in the form of dna. dna is organized into our chromosomes, which are made up of thousands of that determine our traits.