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

Biology Chapter 2A

Part 1 of Chapter 2 Vocab

TermDefinition
Element Pure substance that consists entirely of one type of atom
Isotope One of several forms of a single element, which contains the same number of protons but different numbers of neutrons
Compound Substance formed by the chemical combination of two or more elements in definite proportions
Ion Atom that has a positive or negative charge
Covalent bond Type of bond between atoms in which the electrons are shared
Molecule Smallest unit of most compounds that displays all the properties of that compound
Hydrogen bond Weak attraction between a hydrogen atom and another atom
Cohesion Attraction between molecules of the same substance
Adhesion Force of attraction between molecules of different substances
Mixture Material composed of two or more elements or compounds that are physically mixed together but not chemically combined
Solution Type of mixture in which all the components are evenly distributed
Solute: Substance that is dissolved in a solution
Solvent Dissolving substance in a solution
pH Scale Scale with values from 0 to 14, used to measure the concentration of H+ ions in a solution; a pH of 0 to 7 is acidic, a pH of 7 is neutral, and a pH of 7 to 14 is basic
Acid Compound that forms hydrogen ions (H) in solution; a solution with a pH of less than 7
Created by: Sammygaga
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