Show:
Scientists
Group Properties
Definitions
Periodic Trends
Locate on Periodic Table
100
Organized elements by their properties
Who is Dmitri Mendeleev?
100
Known as the d-block elements
What are transition metals?
100
One-half the distance between the nuclei of identical atoms bonded together.
What is atomic radius?
100
Describe how atomic radii increase in a group
What is down a group?
100
Color the noble gases purple
What are group 18 elements?
200
Arranged periodic table according to increasing nuclear charge
Who is Henry Moseley?
200
Considered relatively unreactive
What are the noble gases?
200
Atom or group of bonded atoms that are charged
What is an ion?
200
Describe how atomic radii increases in a period
What is right to left?
200
Color the alkaline-earth metals green
What is group 2 elements?
300
Presented convincing method for measuring relative masses of atoms.
Who is Stanislao Cannizzaro?
300
Contains the lanthanides and actinides. Also known as the f-block.
What are the inner transition metals?
300
Ability of an atom to attract electrons from another atom in a compound
What is electronegativity?
300
Describe how electronegativity increases in a period
What is left to right
300
Draw a black box around the element with the largest ionization energy
What is Helium?
400
Credited with the concept of electronegativity
Who is Linus Pauling?
400
Most reactive nonmetals
What are the halogens?
400
Energy required to remove one electron from an neutral atom
What is ionization energy?
400
Describe how ionization energy increases in a group
What is up a group?
400
Color the p^5 group orange
What are the halogens?
500
Proposed adding the Noble Gases to the periodic table
Who is Sir William Ramsay?
500
So reactive that they are not found in nature as free elements
What are Alkali Metals and Alkaline-Earth Metals?
500
Energy change that occurs when an electron in acquired by a neutral atom
What is electron affinity?
500
This element is the smallest
What is helium?
500
Draw a box around the element with the largest electronegativity
What is fluorine?