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

Ch. 17

Vocab

TermDefinition
Atom the smallest piece of matter that still retains the property of the element.
Nucleus Protons and neutrons are found in a small, positively charged center of the atom
Proton are particles with an electrical charge 1+.
Neutron are neutral particles that do not have electrical charge.
Electron are particles with an electrical with of 1-
Quark Protons and neutrons, however, are made up of smaller particles
Electron Cloud the area around the nucleus of an atom where its electrons are molt likely found.
Atomic Number The number of protons in an atom is equal to a number
Mass number Atom is the sum of the number of protons and the number of neutrons in the nucleus of an atom.
Isotope Atoms of the same element that have different numbers of neutrons.
Average Atomic Mass the weighted average mass of the mixture of its isotopes.
Periodic Table The elements are arranged by increasing atomic number and by changes in physical and chemical properties
Group The vertical columns in the periodic table
Electron Dot Diagram the symbol of the element and dots to represent the electrons in the outer energy level.
Period The horizontal rows of elements on the periodic table.
Created by: airiktorrescruz