Atomic Mass numbers are not properties of elements overall, but only of particular isotopes of elements. The only stable element with an isotope with mass number 11 is boron. Beryllium and carbon also have isotopes with mass number 11, but these are radioactive.
Magnesium is a meta element. Atomic mass of it is 24.
The element is Iodine (I). It has an atomic mass of about 126.9.
Atomic mass is the mass of 1 mole of the element. Atomic number is the number of protons the element has
the Atomic Mass
Nickel is a meta element. Atomic mass of it is 59.
Antimony is a meta element. Atomic mass of it is 122.
Iron is a meta element. Atomic mass of it is 56.
Gold is a meta element. Atomic mass of it is 197.
Fluorine is a meta element. Atomic mass of it is 19.
gold is a meta element. Atomic mass of it is 197.
the element that has an atomic mass of 16.00 is sulfer.
Iron is a meta element. Atomic mass of it is 54. Atomic number of it is 26.