Related Questions

Radon 222 এবং Radon-220 উভয়ই Radon এর আইসোটোপ। যদি Radon-222 এর নিউক্লিয়াসে 136 টি নিউট্রন থাকে তাহলে Radon-220 এর নিউক্লিয়াসে কতগুলো প্রোটন থাকবে? ( Radon-222 and Radon-220 are the isotopes of Radon. If Radon-222 has 136 neutrons then what will be the number of protons in the nucleus of Radon-220?)
A 84
B 86
C 134
D 136
Atoms having the same number of protons but different number of neutrons are called :
A Isotopes
B Cations
C Higgs-boson
D Anions
In order to have constant chain reaction to produce a constant rate of heat output, the value of ratio of the number of neutrons in one generation to the number of neutrons in the immediately preceding generation must be
A Greater than 1.0
B Less than 1.0
C Equal to zero
D Equal to 1.0
Fe has 26 protons in its nucleus. What are the number of electrons in Fe2+ (II) ion?
A 24
B 26
C 28
D 13
The atomic number is the number of neutrons in the nucleus.
A True
B False
The atomic weight and atomic number of an element are A and Z respectively. What is the number of neutrons in the atom of that element?
A Z
B A
C A+Z
D A-Z
The nucleus of the copper atom contains how many protons?
A 1
B 4
C 18
D 29
E None of the above
How many protons does the nucleus of a silicon atom contain?
A 4
B 29
C 14
D 48
E None of the above
Out of the following, nucleus of __________ atom contains the largest number of neutrons.
A U-235
B U-238
C U-239
D Pu-239
Nucleus of tritium has __________ neutrons.
A 1
B 2
C 3
D 5

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