group 13, period 2
It is a metalloid
periodic table is classified into groups and periods.There are 18 groups and 7 periods in periodic table.
The periodic table of Mendeleev is a rational system of arrangement of chemical elements.
periodic table
Iodine is classified as a halogen in the periodic table of elements. It is a non-metal and is part of Group 17 (Group VIIA) of the periodic table.
the answer is mendeleev
Magnesium is an Alkaline Earth element. It is a metal, and is very reactive.
The arrangements of elements by atomic number is called the periodic table. This table organizes elements based on their atomic structure and properties, allowing for easy classification and comparison of elements.
Classification of hydrogen is: group 1, period 1 in the periodic table of Mendeleev; hydrogen is the first element in this table.
Gold is an element, which is on the periodic table. It is usually yellow, soft, and will not tarnish under most conditions.
Sulfur is classified as a non-metal on the periodic table. It is in group 16, period 3.
Ununoctium is in the group 18 and period 7 of the periodic table of Mendeleev; but it is supposed that uuo is a solid.
It is named The PERIODIC TABLE. The periods being the horizontal rows The groups being the vertical columns.