NEET levelSingle correct optionDifficulty 1 of 3as003
X614X26214C and X715X27215N are examples of
Aisotopes
Bisobars
Cisotones
Disomers
Answer: C
Neutrons in C-14 = 14 - 6 = 8; neutrons in N-15 = 15 - 7 = 8. Equal neutron number with different atomic number and different mass number defines isotones; they are neither isotopes nor isobars.