Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

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.
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
remaining cards
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:
restart all cards

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

Chem 3 Ch 5.p2.A.2

Writing Formulas from Name: 1+ M and NM w/ anion

Step 1 Write the cation formulas first, including charge
Rule 1a all G1 metals and silver always have 1+
Rule 1b all G2 metals and zinc always have 2+
Rule 1c Aluminum always has 3+
Step 2 Write anion formulas, including charge
Rule 2a all G7 nometals and hydride always have 1-
Rule 2b all G6 nonmetals always have 2-
Rule 2c Nitride always has 3-
Magnesium Oxide Magnesium ions (G2) always forms Mg2+ and oxide ions (G2) always forms O2- ; Mg2+ and O2- combine to give MgO
Step 3 Combine enough cations w/ enough anions to give a total charge of zero
Rule 3a Don't write charges after the ions are combined
Trick for Step 3 swap charges as subscripts
Aluminum sulfide Aluminum ions(G3) always forms AL3+ and sulfide ions (G6) always forms S2- ; Al3+ and S2- combine to give Al2s3
Created by: nikkimem32