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

chapter 2 section 1

composition of matter

TermDefinition
matter anything that takes up space or mass
mass the quantity of matter an object has
element substances that cannot be broken down chemically into simpler kinds of matter
atom the simplest part of an element that retains all of the properties of that element
nucleus the central region - makes up the bulk of the mass of the atom and consists of two kinds of subatomic particles, proton and neutron
proton a positively charged particle in the nucleus
neutron the particle that has a mass greater that a proton and has no charge
atomic number the number of protons in an atom
mass number equal to the total number of protons and neutrons of the atom
electron small negatively charged particles of the atom
orbital a 3D region around a nucleus that indicates the probable location of an electron
isotope atoms of the same element that have a different number of neutrons
compound made up of atoms of two or more elements in fixed proportions
chemical bond the attractive forces that hold atoms together
covalent bond form when two atoms share one or more pairs of electrons
molecule is the simplest part of a substance that retains all of the properties of that substance and can exist in a free state
ion an atom or molecule with an electrical charge
ionic bond the attraction between positive and negative electrical charges
Created by: campbellm19
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