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The atomic number of chlorine is 17.

The atomic weight (after the IUPAC rules weight is the correct word in this

case, for elements, not mass; mass is used only for isotopes) of chlorine is

[35,446; 35,457], after the IUPAC tables, 2009 edition.

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Atomic Number is 17 - Atomic Mass is 35.5

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Q: What is the atomic number and atomic mass number of chlorine?
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What is atomic number for chlorine?

The atomic mass for chlorine (Cl) is 17


What has an atomic number of 17 and atomic mass of 35?

The element with an atomic number of 17 and atomic mass of 35 is chlorine (Cl).


What element's atomic mass is 35.453?

Chlorine has an atomic mass of 35.453.


Chlorine with mass number-35 and a atomic number-17 and Chlorine with mass number-37 and a atomic number-17 How do they know that they are the same element?

Atomic number is unique to an element. Since both Chlorine-35 and Chlorine-37 has atomic number of 17, they are both Chlorine. However they have different atomic mass (caused by different number of neutrons in the atom) thus they are called isotope.


What is the atomic number and atomic mass for clhorine?

Chlorine (Cl) Atomic Number: 17 Relative Atomic Mass: 35.453


Why does chlorine have a mass number of 35.5?

Chlorine is a non metal element. Atomic mass number of it is 35.


How many electrons and What is the atomic mass and number in chlorine?

17 electrons - atomic mass 35.5 and atomic number 17


What is chlorine gases number of atomic mass?

Chlorine gas is Cl2. Cl's atomic mass is 35.45 and that x 2 is 70.9


Atomic mass is 35.453?

Chlorine is a non metal element. Chlorine atomic mass is 35.453.


Atomic weight of chlorine?

35.453 ------------- The relative atomic weight (not mass) of chlorine is after IUPAC tables from 2009 [35,446; 35,457]; the conventional value is 35,45.


Chlorine has an atomic number of 17 an an atomic mass of 34 when chlorine becomes the chloride ion its charge is what?

-1.


If the atomic mass of chlorine is 35 how many neutrons does it have?

The number of neutrons in chlorine is 18 (no of neutrons=atomic mass-no of protons=35-17=18)