Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Chem Study Stack

Atom smallest particle in which an element can be divided and still have the properties of that element
element substance that cannot be broken down into simpler substances
nucleus biology structure near the center of a cell that contains the cell's DNA
Electron Shell in the electron cloud model of an atom, in the region around the nucleus where an electron may be found
proton positively charged particle in the nucleus of an atom
neutron electrically neutral particle that has the same mass as a proton and is found in the atom's nucleus
electron negatively charged particle that exists in an electron cloud formation around the atom's nucleus
atomic number number of protons in the nucleus of an atom of a given element
atomic mass average mass of one atom of an element
valence electrons electrons in the outer most energy level of an atom; in large part, they determine an element's chemical properties
beaker holds liquids for ballpark estimates
apron protects clothes
Density Mass x Volume
safety goggles protects your eyes
petri dish growing and viewing microorganisms
balanced force when two opposing forces are equal (no movement)
unbalanced force when two opposing forces are not equal (there is movement)
Newton's 1st law of motion 1: when object at rest stays at rest unless acted upon by an unbalanced force.an object in motion stays in motion unless acted upon an unbalanced force
Speed Distance/Time
Created by: t0303230