Mg, Magnesium(note the "s" not a "z"), element 12, group 2 period 3
It is in group 2 because it has 2 valence electrons
Elements from the group 2 of the periodic table form cations.
Nitrogen is in group 15 on the periodic table. Nitrogen is in group 15 (and period 2).
On the left of the periodic table, especially group 1 and group 2 elements.
Lead is not placed in 1 or 2 group of periodic table, it is in IV-A (14th) group of periodic table, however in the scheme of salt analysis it is placed in ist and 2nd groups of basic radicals.
Ca is calcium. For information on the Periodic Table, see the link below.
group 2
Calcium, Magnesium, and Radium are all in group two of the periodic table.
A group is a column in the periodic table of elements.
Elements from the group 2 of the periodic table form cations.
group 2
Group 2
Nitrogen is in group 15 on the periodic table. Nitrogen is in group 15 (and period 2).
On the left of the periodic table, especially group 1 and group 2 elements.
Strontium is an alkaline earth metal; group 2 and period 5 in the periodic table of Mendeleev.
Group 4 elements on the periodic table contain no period 2 elements whatsoever.
Group 2, period 2
Lead is not placed in 1 or 2 group of periodic table, it is in IV-A (14th) group of periodic table, however in the scheme of salt analysis it is placed in ist and 2nd groups of basic radicals.