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.

Remove Ads
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




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