Like this study set? Create a free account to save it.

Sign up for an account

Already have a Quizlet account? .

Create an account

atomic number

number of protons

mass number

number of protons and neutrons

double covalent bond

sharing of two pairs of electrons between atoms of different elements

polar colvalent bond

unequal sharing between atoms of different elements


forms of an element whose atoms contain same number of protons but different number of neutrons


atoms or molecules that have an electrical charge


positively charged ion


negatively charged ion

covalent bond

sharing of electrons between atoms


chemical structures that contain more than one atom bonded together by shared electrons

decomposition reaction

AB → A + B


decomposotion reactions of complex molecules within cells

synthesis reaction

A + B →AB


the synthesis of newcompounds in the body

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions 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.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

Voice Recording