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

Ch5 Vocabulary

Chapter 5 vocabulary for 7th Grade Science

TermDefinition
Periodic (Sec.1) Describes something that occurs or repeats at regular intervals (Repeats Regularly)
Periodic Law (Sec.1) The law that states that the repeating chemical and physical properties of elements change periodically with the atomic number of elements. (The elements properties [physical and chemical] change with the atomic number.)
Period (Sec.1) In chemistry, a horizontal row of elements in the periodic table. (Elements going across)
Group (Sec.1) A vertical column of elements in the periodic table; elements in a group share chemical properties. (Elements going up and down)
Alkali Metal (Sec.2) One of the elements of group 1 of the periodic table. (Lithium, sodium, potassium, rubidium, cesium, and francium)
Alkali-earth metal (Sec.2) One of the elements of group 2 of the periodic table. (Beryllium, magnesium, calcium, strontium, barium, and radium.)
Halogen (Sec.2) One of the elements of group 17 of the periodic table. (Fluorine, chlorine, bromine, iodine, and astatine); halogens combine with most metals to form salts.
Nobel Gas (Sec.2) One of the elements of group 18 of the periodic table. (helium, neon, argon, krypton, xenon, and radon); noble gases are nonreactive.
Created by: fordm.21