Cu
copper
The scientist who created the periodic table. (Full name).
K
Potassium
Al
Aluminum
This noble gas in period 2
What is Neon?
The three classes of elements are these.
What are metals, nonmetals, metalloids?
The elements in column 18.
What is Noble Gases?
Elements in the same group share these characteristic
What are chemical and physical properties?
Atomic number 9
What is fluorine?
Ni
What is Nickel?
The atomic number for Kr.
What is 36?
Mendeleev organized the elements of his periodic table according to this.
What is increasing atomic mass?
What is 6?
The vertical columns of the periodic table
groups/families
These metals are the most reactive
Alkali metals
This type of element is found on the top right side of the periodic table
Non metals
Atomic mass 131
What is Xe?
What is the atomic number of an element that is located in period 5 and group 6?
What is 42?
Ba
What is Barium?
These nonmetals are found in group 17
What are halogens?
This class of elements have properties of both metals and nonmetals.
What are metalloids?
Hg
Mercury
The atoms we study in middle school are neutral, which means they have the same number of
What is protons and electrons?
Magnesium Mg is found in this group
What is group 2?
A row on the periodic table.
What is period?