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.

Remove ads
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




share
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

Unit 2

Questions

QuestionAnswer
What do Bohr Models and Lewis Structures have in common? They show electrons of an atom
How do you determine valence electrons? Looking at what column it's in
If an atom has a charge of -2, what type of ion is it? It is a cation because it is losing two electrons
What type of bonds are in an ionic bond? Non-metals
Water goes from ice, to water, to steam. Is this a physical change of a chemical change? This is a physical change because nothing is being made or destroyed.
What occurs in an endothermic reaction? When more energy is being absorbed than released.
What occurs in an exothermic reaction? When more energy is being released than absorbed.
Created by: zoe_xnne