the capital letter(s) that represent a particular element on the periodic table
combination of chemical symbols and numbers that identify a molecule
one or more substances ) are chemically changed into one or more new substances
an equation that represents a chemical reaction by using chemical formulas
an equation that has the same number of atoms for each element on both sides of the equation.
substances that react with one another in a chemical reaction.
substances that are formed as a result of the reactants interacting with one another
Law of Conservation of Mass
law stating that mass can neither be created nor destroyed.
organized table showing the properties of all elements known to man
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions above and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.