Table Organization
Trends
Classes of Elements
All in the Family
The Outer Edge
100
What are the columns in the periodic table called?
What is groups / families?
100
Which has the largest radius among Na, Li and C?
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What is Na
100
Classification of an element that is shiny and conducts electric current.
What is a metal?
100
The group of elements that are are all gases at room temperature, and are highly unreactive.
What are the noble gases?
100
The electrons in the outermost energy level.
What are valence electrons?
200
Russian Chemist who was the first to organize the elements into a periodic table.
Who is Dmitri Mendeleev?
200
The pattern of repeating properties.
What is the periodic law?
200
The classifications of elements that occur on the left side of the periodic table.
What are metals?
200
The most reactive metals on the perioidic table.
What are the alkali metals?
200
A member of the nitrogen family has this many valence electrons?
What is five?
300
A periodic table is an arrangement of elements in columns that repeat in this manner.
What is row to row
300
Looking at the periodic table given below, which has the highest reactivity, Mg or Ba?
What is Ba?
300
The classification of element that occurs on the zig zag line.
What are metalloids?
300
The most reactive nonmetal on the perioic table. And which family does it belong to?
What is Fluorine and halogen?
300
Moving from left to right the number of valence electrons does this.
What is increases?
400
The way in which the periodic table was first placed in order?
What is increasing atomic mass
400
As you go down the group, what happens to the force of attraction between nucleus and the valence electrons and why?
What is decreases because the distance grows
400
The name of the elements that form a bridge between the elements on the left and right sides of the periodic table.
What are the transition metals?
400
The element that is found in most of the compounds in your body (except for water).
What is carbon?
400
The tendency of an element to react is closely related to this.
What is the number of valence electrons
500
Mendeleev bodly left these in his periodic table, and it confirmed the usefulness of his table.
What are blank spots?
500
What is the primary reason that the effective nuclear charge felt by the valence electrons decrease down the group?
What is because of the increase distance between the nucleus and the valence electrons.
500
The type of elements that are poor conductors of heat and electricity
What are nonmetals?
500
The unreactive gas used to store alkali metals in, because alkali metals are so reactive (it is in energy level 3).
What is Argon?
500
The location of elements that have the same number of valence electrons
What is the same group.