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i believe it is 57 do.If im wrong then im wrong im very sorry if i am.

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14y ago

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The atomic mass of iodine is less than the atomic mass?

The 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.


Halide family atomic number 53?

The Halide family contains elements with an atomic number of 53, which corresponds to the element iodine. Iodine is a nonmetal that typically forms negatively charged ions, or halides, when it reacts with other elements. It is an essential nutrient for humans and is commonly used in various applications, including photography and medicine.


What is iodine's atomic number?

The Atomic number of iodine is 53.


How many numbers of protons are in iodine?

there are 53 protons in the nucleus and 27 electrons on the 2nd shell


What is the atomic mass number of iodine?

The atomic mass number of iodine is 17.8923


What element has atomic number of 53?

An element with an atomic number of 53 is iodine (I). It is a nonmetallic element that is commonly found in the form of iodide salts in seawater and some minerals. Iodine is important for human health as it is a key component of thyroid hormones.


Iodine atomic number and atomic mass?

the atomic number is 53 and the atomic mass is 126.9 so you would round it up to 127


Why did mendeleev place tellurium before iodine?

Iodine's atomic number is 53 whereas tellurium's is 52. Atomic number is basically the number of protons that an element has. Therefore, as iodine has more protons than tellurium, it appears later in the table.


Which two elements on a periodic table be reversed if you used atomic mass?

Tellurium (Te) and iodine (I) would be in reverse order if the elements were placed in order of atomic mass instead of atomic number.


What is the atomic number for iodine- 121?

Iodine is a non metal element. Atomic number of it is 53.


How many protons are in iodine and what is its atomic number?

The atomic number of iodine is 53 which means it has 53 protons.


How man protons in Iodine?

An atom's atomic number gives its number of protons. Iodine's atomic number is 53. Thus, iodine has 53 protons.