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.
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
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 3 Lessons 1,2

TermDefinition
atom the smallest particle into which element can be divided and still be the same element
electron negatively charged particles
nucleus a small, dense center that has a positive charge
proton positively charged particles in the nucleus
neutron particles with no electric charge
electron cloud negatively charged parts of an atom
atomic number the number of protons in the nucleus in he atom
mass number the total number of protons and neutrons in the atoms nucleus
periodic table the arrangement of elements
chemical symbol a one,two,or three letter of a name of an element
average atomic mass the weighted average of the average
metal a element that is shiny and conducts heat
nonmetal an element that conducts heat
metalloid an element that has properties of both metals and nonmetals
group a vertical column of elements
period in chemistry, a horizontal row of elements
chemical bond an interaction that holds atoms
valence electron an electron that is found in the outermost shell
ion a charged particle
ionic bond the attraction between ions
covalent bond a bond formed when atoms share one or morepairs of electrons
molecule a group of atoms that are held together
metallic bond a bond formed by attration between positivley charged ions
Created by: 18dlooney0614