Busy. Please wait.
Log in with Clever
or

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever
or

Username is available taken
show password


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.
Your email address is only used to allow you to reset your password. See 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.

Who Contributed to Atomic Theory

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Question
Answer
Democritus   Started everything with his imagination, discovered that there is an infinite number of atoms and that matter is space and time  
🗑
Rutherford   Gold leaf experiment, discovered atoms have empty space and electrons  
🗑
Millikan   Discovered the mass of electron charge, sprayed oil into chamber using x rays to put charge on oil  
🗑
Marie Curie   Used chemical procedure to separate different substances, radiation came from inside atoms, atoms are divisible, radium, polinium  
🗑
Bohr   Bohr model, hydrogen element, positively charged nucleus surrounding small electrons, based on solar system  
🗑
Einstein   theoretic scientist, E=mc^2, helped make atomic bombs  
🗑
Mendeleev   made periodic table, weighed atomic masses of elements then organized them onto chart  
🗑
Thomson   Discovered atoms have electrons, used cathode ray tubes and magnetic fields  
🗑
Dalton   used atomic weights and gases, divided atomic theory into 4 parts based on others findings  
🗑


   

Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
 
To hide a column, click on the column name.
 
To hide the entire table, click on the "Hide All" button.
 
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
 
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.

 
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
Created by: syd324
Popular Chemistry sets