Mendelevium.
It is rutherfordium number 104
Roentgenium, element 111, named after the discoverer of the X-ray, Wilhelm Roentgen.
The man made element named after Albert Einstein is Einsteinium. It was discovered in 1952 and is symbolized on the periodic table as Es.
Cf in the periodic table is named after the University of California, Berkeley, where the element was first discovered in 1950. The element californium was named after the state of California in the United States where the university is located.
He could not because it had not yet been discovered when he created the table. However he was able to determine that an element was missing at that location and predict the properties it would have when it was discovered. When germanium was discovered and named, his predictions were found to be very accurate.
There is no element named quadium. There is ununquadium (Element 114), which is its underneath lead and to the right of ununtrium. There was an element named Unnilquadium, but it is now Rutherfordium (Rf). Due to how that type of element name works, Quadium would simply be Element #4--which was discovered in 1798 and was named Beryllium thirty years later.
The periodic table is full of elements.
The element that is an actinide and named for the creator of the periodic table is Mendelevium (Md). Mendelevium has atomic number 101 and is named after Dmitri Ivanovich Mendeleev.
The element on the periodic table named after Superman's home planet is Krypton. It is a noble gas with the atomic number 36.
This element is seaborgium (Sg).
There is no element named "boyfriend" on the periodic table. The periodic table consists of chemical elements such as hydrogen, oxygen, and carbon.
Americium