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 10

Atomic Sructure

QuestionAnswer
Atomic Number The number of protons in the nucleus of an element.
Isotopes Atoms with the same number of protons but different number of neutrons.
Neutrons Subatomic particles with no charge.
Atom The smallest particle of an element that retains its identity in a chemical reaction.
Electrons Negatively charged subatomic particles.
Group A vertical column of elements in the periodic table.
Nucleus Central core of an atom, which contains most of the atom's mass.
Periodic Table An arrangement of elements according to similarities in their properties.
Protons Positively charged subatomic particles.
What are the two regions of an atom? Nucleus and electron cloud.
What region of the atom has the greatest mass? Nucleus.
What region of the atom has the greatest density? Nucleus.
What region of the atom has the largest volume? Nucleus.
What holds the regions of the atom together? Electromagnetic force.
What holds the nucleus together? Neutrons.
The mass of number is equal to the what? Neutrons + Protons.
The atomic number is equal to the what? Protons.
Which subatomic particle determines an element's chemical properties? Electrons.
Which subatomic particle determines an elements identity? Protons.
What is Avogadro's number? 6.02 x 10 to the 23.
Molar Mass The weighted average of the naturally occurring isotopes.
The atomic number tells you the number of what? Protons.
No two different elements will have the same what? Atomic number.
The mass number is used to calculate the number of what, in one atom of an element? Neutrons.
In order to calculate the number of neutrons you must subtract the what from the what? Protons from the mass number.
Moles to grams you do what? Multiplication.
Grams to moles you do what? Divide.
When doing density problems what equation do you use. D = m/v.
Created by: sheeba1cindy
 

 



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