Examples: californium, dubnium, flerovium, livermorium, etc.
No, joliotium is not a man-made element. It is not a recognized element in the periodic table.
Mendelevium is a man made chemical element.
Thallium is a naturally occurring element in the Earth's crust. It is not a man-made element.
Seaborgium is a man made element.
No, sulfur is a naturally occurring element found in the earth's crust. It is not man-made.
No, Uranium is naturally occurring. But all elements beyond uranium are man-made.
Actinium is a natural chemical element, it is not a man-made element.
Selenium is a natural element.
No it is not.
Lanthanum is a natural element.
Seaborgium is a man made chemical element.
No, it is not.