Atoms And Nuclei Question 150
Question: The mass number of a nucleus is [IIT 1986; ISM Dhanbad 1994; MP PMT 1997; CBSE PMT 2003; MH CET (Med.) 2001]
Options:
A) Always less than its atomic number
B) Always more than its atomic number
C) Always equal to its atomic number
D) Sometimes more than and sometimes equal to its atomic number
Show Answer
Answer:
Correct Answer: D
Solution:
In hydrogen, atomic number and mass number are equal.
