Question

How many protons does the nucleus of the atom contain?

Answer 1

Answer:

The atomic number is the number of protons in an atom of an element. In our example, krypton's atomic number is 36. This tells us that an atom of krypton has 36 protons in its nucleus. The interesting thing here is that every atom of krypton contains 36 protons.

Answer 2

Answer:

different atoms contain different no. of protons