the first official periodif table of elements and their characteristics was written by de chancourtois.
the first official periodif table of elements and their characteristics was written by de chancourtois.
the first official periodif table of elements and their characteristics was written by?
de chancourtois
Na
Na
semyon grigoryev









































semyon vyacheslavovich grigoriyev () (born 1960 in moscow), is a russian diplomat and is the first russian ambassador to abkhazia.









































grigoriyev graduated from the moscow state institute of international relations in 1983, and went on to work at the ministry of foreign affairs in a position at the soviet embassy in kabul, afghanistan.









































from 19901997 he was third, second and first secretary at the soviet and russian embassies in tehran, iran.
semyon grigoryev