Welcome to StudyStack, where users create FlashCards and share them with others. Click on the large flashcard to flip it over. Then click the green, red, or yellow box to move the current card to that box. Below the flashcards are blue buttons for other activities that you can try to study the same information.
Reset Password Free Sign Up

Free flashcards for serious fun studying. Create your own or use sets shared by other students and teachers.

Remove ads
Don't know (0)
Know (0)
remaining cards (0)
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


Chapter 4 Vocabulary: Atomic Structure

Atom The smallest particle of an element that retains the properties of that element.
Electron Negatively charged subatomic particle.
Proton Postively charged subatomic particle.
Nucleus The centeral core of an atom, composed of protons and neutrons
Atomic Number An element is the number of protons in the nucleus of the atom of that element.
Mass Number Total number of protons and neutrons in the nucleus.
Isotopes Atoms that have the same number of protons but different numbers of neutrons.
Atomic Mass Unit (amu) one-twelfth the mass of a carbon-12 atom
Atomic Mass An element that's the weighted average mass of the atoms in a naturally occuring sample of the element.
Created by: KellyBeck

bad sites Copyright ©2001-2016  StudyStack LLC   All rights reserved.