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

Chemistry Lesson 1

Vocab for Lesson 1

TermDefinition
Atom The smallest particle of an element, made of electrons, protons, and neutrons
Nucleus The tiny, very dense, positively-charged region in the center of an atom; made up of protons and neutrons
Electron Cloud The area surrounding the Nucleus of an atom where the electrons are found
Neutrons, n^0 A subatomic particle of the nucleus of an atom that is without charge that contributes to the mass of an atom.
Electrons a negatively-charged subatomic particle that orbits the atomic nucleus.
Subatomic Particles particles that are smaller than an atom
Element A pure substance that cannot be separated into simpler substances by physical or chemical means.
Atomic Number The number of protons in the nucleus of an atom
Chemical Symbol A one or two letter notation used to represent an atom of a particular element.
Atomic Mass The mass of an atom, approximately equal to the number of protons and neutrons in the atom.
Electrical Charge A property of matter; electrons are negatively charged; protons are positively charged; the numbers of protons and electrons in a material determine the charge of the material.
Protons, p+ a positively-charged subatomic particle of the nucleus of an atom that contributes to the mass of the atom.
Created by: Ayman_Moton
 

 



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