The mass number [tex]_{17} Cl^{35}[/tex] is 35.
The mass number [tex]_{17} Cl^{37}[/tex] is 37.
isotopes of [tex]_{17} Cl^{35}[/tex] contains. and isotopes [tex]_{17} Cl^{37}[/tex] contain.
protons=17 protons= 17
neutrons= 18 neutrons=20
electrons= 17 electrons=17
Isotopes are two or more atom types that share the same atomic number (number of protons in their nuclei) and position in the periodic table (and, therefore, belong to the same chemical element). However, isotopes have different nucleon numbers (mass numbers) because they have varying numbers of neutrons in their nuclei. All isotopes of a given element have nearly identical chemical properties but differ in terms of atomic mass and physical characteristics.
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