Answer:
Question 1:
Answer: M: (17 - 35) & (17 - 37), N:(8 - 18) (8 - 16) & (8 - 17)
• Isotopes are atoms of the same element with same atomic number but different mass numbers.
Question 2:
Answer: Element M has high nuclear charge than element N
• Nuclear charge depends on atomic number or proton number.