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

Phys Sci Ch 18

TermDefinition
compound a substance made of two or more elements that are chemically bonded
chemical formula chemical shorthand that uses symbols to tell what elements are in a compound and their ratios.
electron dot diagram also called a Lewis structure where valence electrons are shown as dots around the chemical symbol
energy level location of electrons around the nucleus, number of energy levels for an atom depends on the period in which it is located
chemical bond force that holds atoms together in a compound.
ion an atom that has a positive or negative charge due to gaining or losing electrons
ionic bond the force of attraction between oppositely charged ions
zero net charge rule the rule that states for ionic bonding the number of positive and negative charges must equal zero when added together.
covalent bond the attractive force between atoms when they share electrons
molecule a neutral particle that is the result of covalent bonding
polar molecule a covalent compound in which the electrons are shared unevenly resulting in half of the molecule being slightly positive and the other side being slightly negative
polar bond a covalent bond in which the electrons are shared unevenly
oxidation number a positive or negative number that indicates how many electrons an atom has gained or lost or shared to become stable.
binary compounds compounds composed of two elements
polyatomic ion a group of bonded atoms with a positive or negative charge.
hydrate a compound that has water chemically attached to its atoms and written into its formula
Created by: lpgullett
Popular Physical Science 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