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Periodic Trends
Groups and Periods
Electron Configuration
History
Chance!
100
The energy required to remove the first valence electron
What is first ionization energy?
100
The name for horizontal families of elements on the periodic table
What are periods?
100
Noble gases have this many valence electrons
What is 8?
100
The man who invented the first periodic table
Who is Dmitri Mendeleev?
100
The number of protons an electron has is represented by this number on the periodic table
What is the atomic number?
200
The direction across a period in which atomic radius increases
What is left?
200
The name to describe elements in group 3 through group 12
What are transition metals?
200
Sodium most commonly forms this ion
What is Na+?
200
The property the first periodic table was organized by
What is molar mass?
200
Elements that are not transition metals are known as this
What are representative elements?
300
The most electronegative element
What is fluorine?
300
The name to describe group 1 elements
What are alkali metals?
300
Some transition elements are used for this purpose
What are fireworks?
300
The property that Moseley's periodic table was organized by
What is atomic number?
300
Lanthanides and actinides have electrons in this orbital
What is the f orbital?
400
The element with the highest ionic radius
What is francium?
400
Carbon, nitrogen, and oxygen are all examples of this type of element
What is nonmetal?
400
The period 5 element with 6 valence electrons
What is Tellurium?
400
The man who designed the periodic table used today
Who is Moseley?
400
All elements with an atomic number greater than 83 share this property
What is radioactivity?
500
The most metallic element in the fourth period
What is potassium?
500
Antimony is an example of this type of element
What is metalloid?
500
The number of the pel (principal energy level, shell, orbital) that has the valence electrons for phosphorus
What is the third pel?
500
The element Cm is named after this scientist
Who is Marie Curie?
500
Electrons with a configuration of 1s2 2p1 are in this state
What is excited state?