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

Science Chap.2 Vocab

TermDefinition
alkali metals Group 1 elements in the periodic table. Very reactive
alkaline earth metals Group 2 elements in the periodic table, all shiny, silvery white, somewhat reactive metals at standard temperature and pressure
atomic mass the mass of an atom of a chemical element expressed in atomic mass units
atomic number the number of protons in the nucleus of an atom and determines its place in the periodic table
Bohr model the model of the atom where the nucleus of the atom is the centre of the atom and electrons are travelling in shells around the nucleus
chemical symbol Hazard Symbols
electron shell is the energy levels that electrons travel in
halogens Group 7 elements that consists of reactive non-metallic element
metal a solid material which is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity
metalloid an element which have both properties of metals and non metals
multiple ion charge an element which has different charges
noble gases Group 8 elements and low reactive gases
non-metal an element which is not a metal
valence electron the electrons in a valence shell of an element
valence shell the last shell which valence electrons travel in an atom
Created by: colinwong