Alkali Metals because they form alkaline solutions when reacted with water
Group 7 in the periodic table is also known as the halogens.
a group
Helium is in the first period of the periodic table.
Those Roman numerals on the periodic table refer to the number of valence electrons in a given group.
No, bismuth is in the group 15 of the periodic table.
A group in Periodic Table is the column of element in periodic table
a group
Halogen
The name given to group 7 elements in the Periodic Table are halogens.
Hydrogen is the first element in the periodic table of Mendeleev - atomic number 1. Hydrogen is placed in the group and period 1 of this table.
This element is francium in the first group of periodic table.
Group 18, in the Periodic Table, is called the noble gases.