Groups on the Periodic Table
This group is nonreactive
What are the noble gases?
As you go across a period, atomic radius ______
What is decreases?
A cation will have a ______ radius than a neutral atom.
What is smaller?
Most elements on the periodic table are _____
What are metals?
Number of periods on the periodic table.
What is seven?
This group contains Magnesium and Calcium
What are the alkaline earth metals?
As you go down a group atomic radius ________.
What is increases?
An anion will have a ______ radius than a neutral atom.
What is larger?
This separates metals from nonmetals on the periodic table
What is the staircase?
Number of groups on the periodic table
What is 18?
This group contains Fluorine and Chlorine.
What are the halogens?
Moving across a period, atomic radius decreases due to_______.
What is increased nuclear charge/ adding more protons?
What is Magnesium?
These are dull and poor conductors
What are nonmetals?
This element is grouped with the metals, despite being a nonmetal
What is hydrogen?
This group has electron configurations ending in p6. (The s and p sublevels are full)
What are the noble gases?
Moving down a group, atomic radius increases due to _________.
What is adding more energy levels?
Which will have a larger atomic radius C+4 or C-4
What is C-4?
These contain properties of metals and of nonmetals
What are metalloids?
He arranged the periodic table by properties and increasing atomic mass
Who is Mendeleev?
This group is violently reactive with water
What are the alkali metals?
Moving across a period or going down a group adds protons. However, additional protons are not important when moving down a group due to the _______ effect.
What is shielding?
Anions have larger atomic radii than neutral atoms due to increased ______ between electrons.
What is repulsion?
Metals are ______, meaning they can be made into wires
What is ductile?
The s and p blocks are called the _____.
What are representative elements?