Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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.

Remove Ads
Don't know
Know
remaining cards
Save
0:01
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:
Retries:
restart all cards




share
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

Biology Chapter 2

TermDefinition
element one particular type of atom, it cannot be broken down into a simpler substance by ordinary chemical means
atom smallest basic unit of matter
compound a substance made of atoms of different elements bonded together in a certain ratio
ion an atom that has gained or lost one or more electrons
ionic bond forms through the electrical force between oppositely charged ions
covalent bonds forms when atoms share a pair of electrons
molecule two or more atoms held together by covalent bonds
hydrogen bond an attraction between a slightly positively charged hydrogen atom and a slightly negatively charged hydrogen atom
cohesion the attraction among molecules of a substance
adhesion the attraction among molecules of different substances
solution a mixture of substances that is the same throughout- it is a homogenous mixture
solute a substance that dissolves in a solvent
solvent the substance that is present in the greater amount and that dissolves in another substance
monomer each subunit in the complete molecule
polymer a large molecule, or a macromolecule, made of many monomers bonded together
carbohydrates molecules composed of carbon, hydrogen, and oxygen, and they include sugars and starches
lipids nonpolar molecules that include fats, oils, and cholesterol
protein a polymer made of monomers called amino acids
amino acids molecules that contain carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur
nucleic acid polymers that are made up of the
Created by: StengerE21