Respuesta :
The given pair have same number of neutrons. But have different atomic mass and atomic number.
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.
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.
Since, number of neutrons of both the element is 8.
So, they have same number of neutrons.
The atomic mass of ¹⁴₆C is 14, while of ¹⁵₇N is 15.
The atomic number of ¹⁴₆C is 6, while of ¹⁵₇N is 7.
Neutrons = atomic mass - atomic number
Neutrons of ¹⁴₆C = 14-6 = 8
Neutrons of ¹⁵₇N = 15-7 = 8
So, they have different atomic number and atomic mass.
Thus, we concluded that the given pair have same number of neutrons. But have different atomic mass and atomic number.
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