Element Basics
Name That Element
Important dates and people
Element Basics #2
Element Symbols
100
The number over the Chemical Symbol is called this?
What is Atomic Number
100
Element that contains 11 protrons
What is Sodium
100
THis person used John Newlands' grouping and organized the elements into what is now known as the periodic table?
Who is Dimitri Medellev
100
The vertical collums on the Periodic Table are called this?
What is groups
100
Hydrogen has this symbol
What is H
200
All elements have this, which consist of either a capital letter or a capital letter with a lower case one.
What is Symbol
200
Element with the symbol Rb?
What is Rubidium
200
This Person organized the 56, then known elements into 11 separt groups based on their atom structure?
Who is John Newlands
200
True or False Periods go from top to bottom
What is False. Periods go from left to right.
200
Fr is the symbol of what element?
What is Francium
300
This formula equals what, Atomic mass (rounded to the nearest whole number) - protrons
What is Neutrons
300
Element that has an atomic mass of 56 (rounded)?
What is Iron
300
What year did J. J. Thomson discover that electrons where small negativly charged particles?
What is 1897
300
The Lanthanide series contains how many elements?
What is 14 elements.
300
Cobalt has this symbol?
What is Co
400
This is located under the Element symbol?
What is Atomic Mass
400
This element's atomic number is 2?
What is Helium
400
In what year did Niels Bohr discover the electrons' orbit and that there were more electrons in the outer orbits then in the inner orbits?
What is 1913
400
The lowest energy level is located where in an atom?
What is closest to the nucleus.
400
Which element has this symbol Am
What is Americium
500
What do you need to know about an element in order to know the about of protons it contains?
What is Atomic Mass
500
Element symbol is a capital O?
What is Oxygen
500
Who discovered neutrons and identified isotopes in 1932?
Who is James Chadwick
500
Horizontal rows of elements are called this?
What is periods.
500
Bk stands for what element?
What is Berkelium
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