Valence Electrons
Types of Ions
Metals, Nonmetals, and Metalloids
Periodic Square
What is my name?
100
The number of electrons that can fit on the second energy level.
What is 8?
100
The symbol for an aluminum ion
Al3+
100
The side of the Periodic Table where the metals are located.
What is the left side of the staircase?
100
This element has an average atomic mass of 22.990 amu.
What is Sodium?
100
I am the only nonmetal located in the "metal" area of the Periodic Table.
What is Hydrogen?
200
Number of valence electrons for Carbon.
What is 4?
200
Potassium and Calcium typically form this type of ion.
What are cations?
200
Most of the elements on the Periodic Table are classified as this type of element.
What are metals?
200
The number on the Periodic Square that determines the identity of an atom.
What is the atomic number?
200
This element belongs to Group 13, Period 2.
What is Boron?
300
Chlorine must do this in order to become an ion with a 1- charge.
What is gain an extra electron?
300
This group on the Periodic Table loses its three valence electrons, and becomes positively charged.
What is Group 13?
300
The elements along the staircase on the Periodic Table.
What are metalloids?
300
The number of electrons is equal to this number listed on the Periodic Square of each element.
What is the atomic number?
300
The name of this atom. (The white circles are protons)
What is oxygen?
400
The number of valence electrons Nitrogen will gain if it becomes an ion.
3
400
The groups that typically gain valence electrons when they become ions.
What are Groups 13, 14, and 15?
400
These elements will typically be found on the right side of the Periodic Table, and accept extra electrons.
What are nonmetals?
400
You must do this 2 step process in order to find the number of neutrons in an atom?
What is round the average atomic mass and subtract the protons from the mass number?
400
The element with 5 valence electrons and 3 energy levels.
What is Phosphorus?
500
Due to the number of valence electrons, this group would typically bond with elements from Group 1 in order to both become stable.
What is Group 17?
500
The chart below represents the configuration of protons, neutrons, and electrons in several atoms. These two elements would form ions with the same charge.
What are elements 1 and 3?
500
The graph shows the melting points of the first thirty-six elements in the periodic table. These types of elements have the lowest melting points.
What are nonmetals?
500
Silicon (Si) would have this number of electrons on each energy level.
Level 1: 2
Level 2: 8
Level 3: 4
500
The element with 4 energy levels and will have a 2- charge.
What is Selenium?