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

Atoms and Chem. Form

7th Grade Unit 2

TermDefinition
Coefficients Numbers written in front of a chemical formula
Subscripts a small character or number that is written below the line of text. It is commonly used to represent: The number of atoms in a chemical formula or the position of an element in a compound
Cations An ion with a positive charge. It has fewer electrons than protons.
Anions An ion with a negative charge. It has more electrons than protons.
Chemical Formula Notation that shows the number and type of atoms in a molecule
Ions An electrically charged atom or molecule. This means the atom or molecule has an unequal number of protons and electrons.
Chemical Bond Forces that hold the atoms together in a molecule. They are a result of strong intramolecular interactions among the atoms of a molecule.
Compound A substance made of two or more elements chemically bonded to each other in a fixed ratio.
Chemical Symbol The abbreviations for elements
Periodic Table The organized array of all the chemical elements in order of increasing atomic number
Molecule An electrically neutral group of elements chemically bonded together
Atom The basic building blocks of matter made up of protons, neutrons, and electrons
Elements A pure substance composed of atoms that all have the same number of protons in the atomic nucleus.
Created by: klstorie
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