Hydrogen is different than all the other elements
A group in periodic table is the column of element in periodic table
It decreases when going down a group.
It decreases when going down a group.
A group is a column in the periodic table of elements.
The elements in group 18 are not relatively inert but it is not true to say that they do not react.
A group in Periodic Table is the column of element in periodic table
Chlorine is in Group 17 of the Periodic Table.
The noble gases
A group in periodic table is the column of element in periodic table
Chlorine is in Group 17 of the Periodic Table.
Lead is in the group 14 of the Periodic Table.
Astatine is placed in group-17 in the Periodic Table. Its symbol is At.
They follow a pattern for valence electrons.
It decreases when going down a group.
It decreases when going down a group.
Noble gases are found in the 18th group in the periodic table.
A group is a column in the periodic table of elements.