Save
Upgrade to remove ads
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
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. Your email address is only used to allow you to reset your password. See 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
edit
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

chapter 6 vocab

TermDefinition
atom building block of matter
compound pure substance with unique properties
covalent bond type of chemical bond formed when atoms share electrons
electron negatively charged particle that occupies space around an atom's nucleus
element pure substance composed of only one type of atom
ion atom that is negatively or positively charged because it has lost or gained one or more electrons
ionic bond - pg 153 electrical attraction between two oppositely charged atoms or groups of atoms
isotope two or more atoms of the same element having different numbers of neutrons
molecule compound whose atoms are held together by colvalent bonds
neutron particle without a charge in an atom's nucleus
nucleus center of an atom , containing neutrons and protons
proton positively charged particle in an atom's nucleus
van der Waals force attractive forces between molecules
activation energy minimum amount of energy needed for reactants to form products in a chemical reaction.
active site specific place where a substance binds on an enzyme
catalyst substance that speeds us a chemical reaction by reducing the activation energy
chemical reaction energy-requiring process by which atoms or groups of atoms in substances are changed into different substances
enzyme protein that speeds up a biological reaction by lowering the activation energy needed to start the reaction
product substance formed by a chemical reaction
reactant substance that exists before a chemical reaction starts
substrate reactant to which an enzyme binds
acid substance that releases
base substance that releases hydroxide ions when dissolved in water
buffer mixture that can react
hydrogen bind weak electrostatic bond formed by the attraction of opposite charges between a hydrogen atom and an oxygen , fluorine, or nitrogen atom
mixture combination of two or more different substances in which each substance keeps its individual characteristics
ph measure of the concentration of hydrogen ions in a solution
polar molecule molecule with oppositely charged regions
Created by: whitney16
Popular Biology sets

 

 



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