HISTORY
Who was credited as the creator of the periodic table?
Dmitri Mendeleev
Group 1 Elements
Alkali Metals
Chromium
Cr
What is the trend of Ionization Energy?
Up and to the Right
Luster
Physical Property Metal
What year was the Periodic Table Published?
1869
Group 2 Elements
Alkaline Earth Metals
Kr
Krypton
What is the trend of Atomic Radius
Down and to the left
Forms Anions
Chemical Property Nonmetal
Who fixed the periodic table to increasing atomic number?
Henry Moseley
Group 17 Elements
Halogens
Barium
Ba
What is the trend of Electronegativity?
Up and to the right
Bad Conductors
Physical Property Nonmetal
How many elements are naturally occurring?
92
Group 18 Elements
Noble Gases
Thorium
Th
Put the elements in order of increasing Atomic Radius:
Na, O, F, C
F, O, C, Na
Lose Electrons
Chemical Property Metal
What elements deviate from the increasing atomic mass trend?
Iodine & Tellurium
Groups 3-12 Elements
Transition Metals
Lead
Arrange the elements from HIGHEST to LOWEST Electronegativity:
F, Cr, Cs, Pd
F, Cr, Pd, Cs
Ductile and Malleable
Physical Property Metals