## How To Find The Atomic Mass Of Iodine

#### mass of iodine that reacted is 2.045 grams mass of zinc

6) Iodine is 80% 127I, 17% 126I, and 3% 128I. Calculate the average atomic mass of iodine. 7) Calculate the average atomic mass of gold with the 50% being gold-197 and 50% being gold-198. 8) Hydrogen is 99% 1 H, 0.8% 2 H, and 0.2% 3 H. Calculate its average atomic mass.

#### Molar mass of I2 Chemistry Online Education - webqc.org

Isotope abundances of iodine. In the above, the most intense ion is set to 100% since this corresponds best to the output from a mass spectrometer.

#### How many neutrons are in 3 atoms of iodine?

26/01/2007 · Iodine is element number 53. That means that all iodine atoms have 53 protons. Since the atomic mass of your isotope of iodine is 131 you can find the number of neutrons by subtracting

#### Iodine I2 PubChem

Iodine is a nonmetallic element of the halogen group that is represented by the atomic symbol I, atomic number 53, and atomic weight of 126.90. It is a nutritionally essential element, especially important in thyroid hormone synthesis. In solution, it has anti-infective properties and is used topically.

How to find the atomic mass of iodine

#### Atomic Mass Calculations? Yahoo Answers

To calculate the molecular mass of a covalent compound. To calculate the formula mass of an ionic compound. To calculate the number of atoms, molecules or formula units in a sample. Chemistry is the study of how atoms and molecules interact with each other which occurs on the atomic scale. Chemists

#### What is the isotopic mass of Iodine 131? Yahoo Answers

Atomic number does not directly relate to # of neutrons, Atomic # is the number of protons in the atom of an element.. You need to know the atomic mass of the element too-Not … just the atomic # to find out how many neutrons it has.

#### how many protons electrons and neutrons are in an atom

20/07/2009 · From the periodic table you will find that the relative atomic mass of iodine is 126.90g Iodine exists as a diatomic molecule, I2 Therefore the molar mass = 126.90*2 = 253.80g/mol

#### How many neutrons in the iodine isotope 74 Answers.com

Naturally occurring iodine has an atomic mass of 126.9045. A sample of 12.3849g gets contaminated with 1.00070g of a synthetic iodine with a mass of 128.9050.

#### Naturally occuring iodine has an atomic mass of 126.9...

Atomic number does not directly relate to # of neutrons, Atomic # is the number of protons in the atom of an element.. You need to know the atomic mass of the element too-Not … just the atomic # to find out how many neutrons it has.

#### What is Atomic Iodine? Global Healing Center Health

The relative atomic weight or standard atomic weight (not mass) of a chemical element is the ratio between the average mass of the atoms of this element to 1/12 from the a … tomic mass of carbon-12.

#### Atomic Mass Calculations? Yahoo Answers

All I could find was a summer holiday camp, with children playing happily behind the gates where I had seen the old man. I phoned my Dad to ask him, and we chatted about the old days - the bad old days of the cretins - and of ghosts banished by that unique purple element, iodine.

#### Chemical Elements.com Iodine (I)

They bombarded a sheet of bismuth metal, that's two doors down from astatine in the periodic table, with alpha particle to produce astatine-211, which has a half life of about 71/2 hours and it neatly filled the gap in the periodic table just beneath iodine. Segre went on to become a group leader for the Manhattan project which built the first atomic weapon. And it was only once the Second

#### mass of iodine that reacted is 2.045 grams mass of zinc

Solution: Naturally occuring iodine has an atomic mass of 126.9045. A 12.3849-g sample of iodine is accidentally contaminated with an additional 1.00070 g of 129l, a synthetic radioisotope of iodine used in the treatment of certain diseases of the thyroid gland. The mass of 129l, is 128.9050 amu. Find the apparent "atomic mass" of the contaminated iodine.

### How to find the atomic mass of iodine - Atomic Mass Calculations? Yahoo Answers

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