See the link bellow - chemical elements from atomic number 95 to atomic number 118.
Americium (pronounced /ˌæməˈrɪsiəm/) is a synthetic element that has the symbol Am, the atomic number 95, and is used in smoke detectors.
Gold is a naturally occurring element, symbol Au.
Americium is a synthetic element that has the symbol Am and atomic number 95, named after America continent.
No (sic). Nobelium is a synthetic element with the symbol No and atomic number 102, named after Alfred Nobel.
The chemical symbol Rg stands for Roentgenium, which is a synthetic element with atomic number 111. It is a highly unstable and radioactive element that was first synthesized in 1994.
My guess is that it is a typographic error for Einsteinium which is a metallic synthetic element, number 99 in the periodic table and has the symbol Es.
The chemical symbol of seaborgium is Sg.
Ununpentium is the temporary name of a synthetic superheavy element in the periodic table that has the temporary symbol Uup and has the atomic number 115.
Nobelium is a very unstable synthetic element with the symbol No, it's melting and boiling point are not measurable, thus unknown.
There is no element with symbol a or A even
No, Bromine is not a synthetic element, it occurs naturally
Yes