Save
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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't know
Remaining cards (0)
Know
0:00
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

Atomic Structure

This is a set of keywords from Chapter 29 & 30

TermDefinition
Atom Smallest particle of an element
Proton A particle inside the nucleus that is a positive charge
Electron A particle in the outer shell of a nucleus that is a negative charge
Neutron A particle found inside the nucleus that has no charge so it is neutral
Atomic Mass Unit The mass of a sub-atomic particle. In short, a.m.u
Sub-atomic particles Particles that are inside an atom.
Planetary model Niels Bohr proposed that the electroms move around the nucleus in fixed paths called orbits
Atomic number The number of protons and electrons in the nucleus of that atom. Also, its the position of an element in a periodic table
Atomic mass The sum of the number of protons and neutrons
N=number
Group Vertical columns in the periodic table
Period Horizontal columns in the periodic table
Alkali metal First group of the periodic table
Alkaline Earth Metal Second group of the periodic table
Halogens Seventh group of the periodic table .non metallic elements
Nobel gases Inert gases. Unreactive gases
Periodic table A list of all elements i order of increasing atomic number
Isotopes Atoms of the same element which have different numbers of neutrons in the nucleus
Mendelev Arranged the periodic tAble
Dalton Put forward a theory about atoms
Niels Bohr Proposed that electrons orbit the nucleus
Created by: TriciaMondala
 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards