Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

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
remaining cards
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:
restart all cards

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

Periodic Table 5A

History of the Periodic Table

A repeating pattern periodic
How did Mendeleev arrange the elements in his first published periodic table Vertical
How is the atomic mass of each element indicated in Mendeleev's 1st periodic table By the number following the elements symbol
In Mendeleev's early periodic tables how were the unknown elements indicated by a dash
How did Mendeleev arrange the elements in the first table Similar properties were grouped together
What 3 elements were missing from Mendeleev's table but were later discovered scandium- Sc, gallium- Ga, and germanium- Ge
What did Moseley work lead to The Modern definition of atomic number and the recognition that atomic number(number of protons) NOT atomic mass is the basis for the organization of the periodic table
The physical and chemical properties of the elements are periodic functions of their atomic numbers Periodic Law
The bold stair step line on the periodic table separates Metals on the left from Non-Metals on the right
Johann Dobereiner Dobereiner's triads groups of 3 elements with similar properties
Created by: IcanDance