Periodic Table 1
Cu
copper
The scientist who is credited for constructing the periodic table. (Full name).
Dmitri Mendeleev
K
Potassium
Al
Aluminum
This noble gas in period 2
Neon
The three classes of elements are?
metals, nonmetals, metalloids
The elements in column 18.
Noble Gases
Elements in the same group share these characteristic
chemical and physical properties
Atomic number 9
fluorine
Ni
Nickel
The atomic number for Kr.
36
Mendeleev organized the elements of his periodic table according to this.
Increasing atomic mass
Give two general trends in the periodic table
...
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
Xe
What is the atomic number of an element that is located in period 5 and group 6?
42
Ba
Barium
These nonmetals are found in group 17
halogens
This class of elements have properties of both metals and nonmetals.
metalloids
The name of this element Hg
Mercury
In 1914, ___________rearranged the elements in the table according to their atomic numbers instead of their relative atomic masses.
In this new order, elements with similar chemical properties all fell into the same groups.
Henry Moseley
Magnesium Mg is found in this group
group 2
A row on the periodic table.
period