Respuesta :
The mass number of ³⁵Cl and ³⁷Cl is 35 and respectively.
What is atomic mass?
Atomic mass is defined as the sum of number of protons and number of neutrons of an element.
Atomic mass is represented by A.
What is Atomic number?
Atomic number is defined as the number of electron in an element.
Atomic number is represented by Z.
What is Isotopes?
Isotopes are the element which have same atomic number but have different atomic mass.
Number of proton is equal to number of electrons.
Proton is positively charged, electrons are negativity charge while neutrons are neutral in nature.
Proton and neutrons are present in the nucleus of an element. On the other hand, electron revolves around the nucleus.
The atomic number of ³⁵Cl and ³⁷Cl is 17.
Number of protons = Number of electrons = 18.
Neutrons = atomic mass - atomic number
Neutrons of ³⁵Cl = 35-17 = 18
Neutrons of ³⁷Cl= 37- 17= 20
So, they have different atomic mass and number of neutrons.
Thus, we concluded that the mass number of ³⁵Cl and ³⁷Cl is 35 and 37 respectively.
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