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.
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
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 2 vocab

terms 2.1 .2

QuestionAnswer
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; all atoms of an element have the same atomic number
compound 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 negative or positive charge
ionic bond the attractive force between oppositely charged ions, which form when electrons are transferred from one atom to another
covalent bond a bond formed when atoms share one or more pairs of electrons
molecule a group of atoms that are held together by chemical forces; a molecule is the smallest unit of matter that can exist by itself and retain all of a substance's chemical properties
hydrogen bond the intermolecular force occurring when a hydrogen atom that is bonded to a highly electronegative atom of one molecular is attracted to two unshared electrons of another molecule
cohesion the force that holds molecules of a single material together
adhesion the attractive force between two bodies of different substances that are in contact with each other
solution a homogeneous mixture throughout which two or more substances are uniformly dispersed
solvent in a solution, the substance in which the solute dissolves
solute in a solution, the substance that dissolves in the solvent
acid any compound that increases the number of hydronium ions when dissolved in water; acids turn blue litmus paper red and react with bases and some metals to form salts
base any compound that increases the number of hydroxide ions when dissolved in water; bases turn red litmus paper blue and react with acids to form salts
pH measurement of acidity; related to free hydrogen ion concentration in solution
Created by: swolf433