Dubnium new vintage poster periodic table of elements Mendeleev chemistry

Description

USSR
made in 1988
periodic table
large
periodic table
for the Soviet school (institute, university ..)
size of the table is 117x 88 cm
Material -
thick
paper
I show all  defects in detail in the
last 4 photos
. You will receive this particular poster.
I ask you to pay attention to element 105 (Ns)
Soviet researchers proposed to name the new element nielsborium (Ns), in honor of Niels Bohr [4], the Americans - hanium (Ha), in honor of Otto Hahn, one of the authors of the discovery of spontaneous fission of uranium [2]. The IUPAC Commission in 1994 proposed the name Joliotium (Jl), in honor of Joliot-Curie [5]; before that, the element was officially called the Greek numerals - unnilpentium (Unp), that is, simply 105th. Symbols Ns, Na, Jl could be seen in the tables of elements published in different years. According to the final decision of IUPAC in 1997, this element was named dubnium - in honor of the Russian center for research in the field of nuclear physics, the science city of Dubna [6].