Question
Question: The nucleus of the element having atomic number 25 and atomic weight 55 will contain...
The nucleus of the element having atomic number 25 and atomic weight 55 will contain
A
25 protons and 30 neutrons
B
25 neutrons and 30 protons
C
55 protons
D
55 neutrons
Answer
25 protons and 30 neutrons
Explanation
Solution
No. of protons = Atomic no. = 25 and no. of neutron = 55 – 25 = 30.