When a liquid freezes into a solid, the particles of the substances * lose energy
gain energy
move faster
disappear

The missing component to the table to the right or indicated with orange letters complete the table by filling in the corresponding numbers or symbols

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.

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?