Save
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

2.1-2.2 vocab

TermDefinition
Matter matter is anything that has mass and takes up space
atom an atom is a small particle that is the building block of matter
substance a substance is matter with a composition that is always the same
element an element is a substance made of only one kind of atom
molecule a molecule is two or more atoms that are held together by chemical bonds and act as a unit
compound a compound is a substance made of two or more elements that are chemically joined in a specific combination
mixture a mixture is matter that can vary in composition
heterogeneous mixture a heterogeneous mixture is a mixture in which the substances are not evenly mixed
homogeneous mixture a mixture in which two or more substances are evenly mixed, but not bonded together
nucleus the nucleus is the region at the center of an atom that contains most of the mass of the atom
proton a proton is a positively charged particle in the nucleus of an atom
neutron a neutron is an uncharged particle in the nucleus of an atom
electron an electron is a negatively charged particle that occupies the space in an atom outside the nucleus
electron cloud an electron cloud is the region surrounding an atom's nucleus where one or more electrons are most likely to be found
atomic number the atomic number is the number of an atom of an element
isotope an isotope is one of the two or more more atoms of an element having the same number of protons, but a different number of neutrons
ion an ion is an atom that has a charge because it has gained or lost electrons
Created by: harbahal2693
Popular Chemistry 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