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

Bio chapter 2 and 3

section 2.1 and 2.2

What is an atom Smallest basic unit of matter
What is an element One particular type of atom
What is a compound Substance made of atoms of different elements bonded together in a certain ratio
What is an ion Atom that gained or lost one or more electrons
What are one of the properties of water High polarity
What is a hydrogen bond Attraction between a slightly positive hydrogen and a slightly negative atom
What is an acid Compound that releases a proton, hydrogen when it dissolves in water
What is a base Compound that remove ions from a solution
What's cohesion Attraction among molecules of a substance
What's adhesion Attraction among molecules of different substances
What is a Ph scale Measures how acidic or basic a substance is
Can an element be broken down no
What charge does an electron have negative
What charge does a proton have positive
What charge does a neutron have neutral/none
Created by: donchezmc