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

ForHed wk 2

Atoms and Their Parts 8th Grade

one atom The smallest unit of an element that has all the properties of that element.
nucleus The tiny, very dense positively charged region in the center of an atom. It is made of protons and neutrons.
electron cloud All of the area inside an atom but outside the nucleus. It is where electrons are found.
electrical charge A form of charge, designated negative, positive, or neutral. It is found on the subatomic particles.
proton A positively charged subatomic particle of the nucleus of an atom. It contributes to the mass of the atom.
neutron A subatomic particle of the nucleus of an atom. It has no charge. It contributes to the mass of an atom.
electron A negatively charged subatomic particle of the electron cloud. It forms chemical bonds with other atoms.
subatomic particles Particles that are smaller than the atom.
atomic mass The mass of an atom, approximately equal to the number of protons and neutrons in the atom. Always round this number.
scientific notation Numbers written in terms of a decimal number between one (1.0) and ten (10.0) multiplied by a power of ten. Used for very large and very small numbers.
atom Smallest unit of an element, made of protons, electrons, and neutrons.
cell Smallest unit of life; still much larger than an atom.
Created by: foremanh71