Aluminium and Arsenic.
2 elements
Only 2 elements of the 126 elements in the periodic table are liquid.
A group is a column in the periodic table of elements.
Elements from the group 2 of the periodic table form cations.
Periodic table consists of elements not cations. However group 1 and group 2 elements (left side of the periodic table) are elements which will form cations easily.
including "unknown elements" there are 59 elements in half of the periodic table, not including them there is 55.5 Added: 92 natural elements/2 = 46 natural elements make up 1/2 periodic table.
On the left of the periodic table, especially group 1 and group 2 elements.
Group 4 elements on the periodic table contain no period 2 elements whatsoever.
About 2/3 of the Periodic Table of Elements is made up of Metals.
The two elements in periodic table which are liquid are: 1 mercury 2 bromine
No. Only pure elements are listed in the periodic table of elements.
Helium