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MaxineThe Atomic Mass of iodine is about 126.9 g/mol, which is indeed less than the atomic mass of many other elements. This low atomic mass for iodine is due to its position in the Periodic Table and the number of protons and neutrons in its nucleus.
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Why does tellirium has a larger mass number than iodine?
Iodine is a non metal element. Atomic mass number of it is 127.
How can iodine z equals 53 have a higher atomic number yet lower atomic mass than tellurium z equals 52?
Iodine has a higher atomic number (53) because it has one more proton in its nucleus than tellurium (52). However, iodine's lower atomic mass compared to tellurium is due to differences in their isotopic composition. Isotopes of iodine with lower mass numbers are more abundant, leading to a lower average atomic mass for iodine compared to tellurium.
How tellurium and iodine show the periodic table is not arranged on basic of increasing atomic mass?
They show that the periodic table isn't arranged on the basis of increasing atomic mass because iodine has a mass lesser than tellurium. Iodine has a mass of 126.90 and tellurium has a mass of 127.60.
Which two elements have an atomic mass less than twice their atomic number?
Elemental hydrogen and helium have atomic masses less than twice their atomic numbers.
What element is a halogen gas with a mass less than 25?
Fluorine, at 19 atomic mass units, is the only halogen gas that fits that requirement.
