1. physical 2. chemical property property a property that a property can be observed observed when a without substance interacts changing the with another substance into substance something else 3. 4. chemical reactivity bond The ability of an the force that holds atom or two atoms together molecule to combine chemically with another atom or molecule 5. chemical 6. reaction conservation a change in of mass matter that the principle forms new stating that matter materials; is neither created breaks original nor destroyed chemical bonds during a chemical and forms new reaction bonds. 7. formula 8. chemical equation a combination of symbols that a short, easy way shows the ratio to show a chemical of the elements reaction, using in a compound symbols instead of words 9. subscript 10. coefficient a number in a a number placed in chemical front of a chemical formula that formula in an tells the equation, that
1. physical property a property that can be observed without changing the substance into something else 2. chemical property a property observed when a substance interacts with another substance 3. reactivity The ability of an atom or molecule to combine chemically with another atom or molecule 4. chemical bond the force that holds two atoms together 5. chemical reaction a change in matter that forms new materials; breaks original chemical bonds and forms new bonds. 6. conservation of mass the principle stating that matter is neither created nor destroyed during a chemical reaction 7. formula a combination of symbols that shows the ratio of the elements in a compound 8. chemical equation a short, easy way to show a chemical reaction, using symbols instead of words 9. subscript a number in a chemical formula that tells the 10. coefficient a number placed in front of a chemical formula in an equation, that