There are 111 elements, and you can find a copy of the Periodic Table at http://www.ktf-split.hr/periodni/en/.
The Periodic Table contains all the known elements and information about each of the elements, such as atomic number, atomic mass, group, period and symbol.
Iodine, I
Their symbol, atomic weight, and atomic number.
Technetium, atomic number 43 Promethium, atomic number 61 Astatine, atomic number 85 Francium, atomic number 87 Neptunium, atomic number 93 Plutonium, atomic number 94 Transuranium elements Americium symbol Am, atomic number 95 Curium symbol Cm, atomic number 96 Berkelium symbol Bk, atomic number 97 Californium symbol Cf, atomic number 98 Einsteinium symbol Es, atomic number 99 Fermium symbol Fm, atomic number 100 Mendelevium symbol Md, atomic number 101 Nobelium symbol No, atomic number 102 Lawrencium symbol Lr, atomic number 103 Transactinide elements Rutherfordium symbol Rf, atomic number 104 Dubnium symbol Db, atomic number 105 Seaborgium symbol Sg, atomic number 106 Bohrium symbol Bh, atomic number 107 Hassium symbol Hs, atomic number 108 Meitnerium symbol Mt, atomic number 109 Darmstadtium symbol Ds, atomic number 110 Roentgenium symbol Rg, atomic number 111
Atomic mass and Atomic number
The element symbol represents one mole of element , atomic number represents number of protons, atomic mass represents sum of protons and neutrons.
Yttrium (Symbol Y)
There is no element whose symbol is An.
The atomic symbol on the Periodic Table of Elements
The atomic symbol for nitrogen is: N
The number below the symbol in the periodic table of elements is the relative atomic mass. It is calculated by taking the mass of all of the ions of an element and working out the mass based on the percentage occurrence of each ion.
The atomic number for sulfur id 16 on the Periodic Table of elements and it has the atomic weight/mass of 32.06.and the chemical symbol is the letter "C".