Question

${}^{18}O$ isotope of oxygen will have

• A. 18 protons
• B. 9 protons and 9 neutrons
• C. 8 neutrons and 10 protons
• D. 10 neutrons and 8 protons

Answer 1

Answer: (D)

Atomic number of oxygen is $8.{}_8^{18}O$ has $8$ protons and $10$ neutrons.