Save
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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't know
Remaining cards (0)
Know
0:00
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

Terms for Chapter 2

TermDefinition
Atom The smallest unit of an element that maintains the chemical properties of that element
Element A substance that cannot be separated or broken down into simpler substances by chemical means; have same atomic #
Compund A substance made up of atoms of two or more different elements joined by chemical bonds.
Ion An atom, radical, or molecule that has gained or lost one or more electrons and has a positive or negative charge.
Ionic Bond The attractive force between oppositely charged ions, which form when electrons are transferred from one atom to another.
Covalent Bond Chemical bond formed when two atoms share one or more pairs of electrons.
Molecule
Hydrogen Bond
Cohesion Attraction between molecules of the same substance.
Adhesion Attraction between molecules of different substances.
Solution
Solvent
Solute
Acid Compound that donates a proton (H+) when dissolved in a solution.
Base Compound that accepts a proton (H+) when dissolved in solution.
pH
Monomer
Polymer
Carbohydrate Molecule composed of carbon, hydrogen, and oxygen; includes sugars and starches.
Lipid
Fatty Acid
Portein
Amino Acid Molecule that makes up proteins; composed of carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur.
Nucleic Acid
Chemical Reaction Process by which substances change into different substances through the breaking and forming of chemical bonds.
Reactant
Product
Bond Energy Amount of energy needed to break a bond between two particular atoms; or the amount of energy released when a bond forms between two particular atoms.
Equilibrium
Activation Energy Energy input necessary to initiate a chemical reaction.
Exothermic
Endothermic Chemical reaction that requires a net input of energy.
Catalyst Substance that decreases activation energy and increases reaction rate in a chemical reaction.
Enzyme Protein that catalyzes chemical reactions for organisms
Substrate
 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards