Periodic table trends
Properties of this section are
Very Reactive
Low density (soft)
silver and shiny
What is Alkali Metals
The atomic radius increases when you move this direction
What is down
Period
What are the rows of the periodic table
The electrons in the outermost energy level
What is valence electrons
Properties of Halogens
what is All nonmetals
very reactive
poor conductors
What is the atomic radius of potassium in row 4
What is 4
A force of attraction or repulsion caused by charged particles
What is Coulumb Force
Column 3 has this many valence electrons
What is 3
The missing Noble Gases property ----
all nonmetals
nonreactive
???
what is colorless gases
Do all the elements in column 2 have the same atomic radius?
what is no
Atomic Radius
What is the distance from the center of the nucleus to the outermost energy level of an atom
This number represents the amount of valence electrons in each column.
What is the "A" number
This periodic table family contains these properties
moderatly reactive
good conductors
high densities & melting points
What is Transition Metals
The element that has the biggest atomic radius
What is Francium
Ionization energy
What is the amount of energy needed to remove one valence electron from an atom
From the top of the periodic table to the bottom, the number of valence electrons does this
What is nothing
The Alkaline Earth Metals are located in this section of the periodic table.
What is 2A
The element that has the smallest atomic radius
What is Helium
An atom that has lost or gained one or more electrons
What is an Ion
A high amount of valence electrons usually means that the radius is this
What is small