Atomic number of a nucleus is Z and atom...

Atomic number of a nucleus is `Z` and atomic mass is `M`. The number of neutron is.

`M - Z`

`M + Z`

Text Solution

Verified by Experts

The correct Answer is:

(a) `N = M - Z =` Total no. Of nucleons - no. of protons.

Topper's Solved these Questions

NUCLEAR PHYSICS
A2Z|Exercise Fission And Fusion|40 Videos
NUCLEAR PHYSICS
A2Z|Exercise Radioactivity|42 Videos
MOCK TEST
A2Z|Exercise Mock Test 3|44 Videos
SEMICONDUCTOR ELECTRONICS
A2Z|Exercise EXERCISE|29 Videos

Similar Questions

Explore conceptually related problems

An element has atomic number 13 and an atomic mass of 27. The number of electrons in each atom of this element is ____________ and the number of neutrons is _________

Mass number of a nucleus X is A and atomic number is Z. Find mass number and atomic number of the new nucleus (say Y) after the emission of m-alpha particles and n-beta particles.

The mass number of two atoms X and Y having same atomic number are 208 and 210 respectively. The number of neutrons in the nucleus of X is 126. The number of neutrons in the nucleus of Y is :

The atomic number of an element is 11 and its mass number is 23. The respective number of elec trons, protons and neutrons in this atom will be

The atomic mass and atomic number of lead are 208 and 82. The atomic mass and atomic number of bismuth are 209 and 83. The "neutron"//"proton" ratio in an atom

The atomic mass of lead is 208 and its atomic number is 82. The atomic mass of bismuth is 209 and its atomic number is 83. The ratio of neutrons/protons in the atom

Assertion (A): Two atoms of different elements having same mass number but different atomic numbers are called isobars. Reason (R): Atomic number is the number of protons present and mass number is the total number of protons and neutrons present in a nucleus.

If Z and A are atomic number and mass number of an element. Find the number of neutrons present in it.

An atom has 26 electrons and its atomic weight is 56. The number of neutrons in the nucleus of the atom will be

A2Z-NUCLEAR PHYSICS-Section D - Chapter End Test

Atomic number of a nucleus is Z and atomic mass is M. The number of ne...
Text Solution
|
If N(0) is the original mass of the substance of half - life period t(...
Text Solution
|
A radioactive sample at any instant has its disintegration rate 5000 d...
Text Solution
|
Which of the following atoms has the lowest ionization potential ?
Text Solution
|
In the nuclear fusion reaction (1)^(2)H + (1)^(3)H rarr (2)^(4)He + ...
Text Solution
|
The binding energy per nucleon of deuterium and helium atom is 1.1 MeV...
Text Solution
|
If radius of the (13)^(27) Al necleus is estimated to be 3.6 fermi the...
Text Solution
|
Starting with a sample of pure .^66 Cu, 7//8 of it decays into Zn in 1...
Text Solution
|
Some radioactive nucleus may emit.
Text Solution
|
Which of the following is a correct statement?
Text Solution
|
.^22 Ne nucleus after absorbing energy decays into two alpha-particles...
Text Solution
|
The half - life of I ^ (131) is 8 days. Given a sample of I^(131) at ...
Text Solution
|
The binding energy per nucleon of O^16 is 7.97 MeV and that of O^17 is...
Text Solution
|
A star initially has 10^40 deuterons. It produces energy via the proce...
Text Solution
|
A nucleus with mass number 220 initially at rest emits an alpha-partic...
Text Solution
|
The half life of radioactive Radon is 3.8 days . The time at the end o...
Text Solution
|
A freshly prepared radioactive source of half-life 2 h emits radiation...
Text Solution
|
A radioactive material decays by simulataneous emission of two particl...
Text Solution
|
The half-life period of a radioactive element x is same as the mean li...
Text Solution
|
Two radioactive X(1) and X(2) have decay constants 10 lambda and lamb...
Text Solution
|
After 280 days, the activity of a radioactive sample is 6000 dps. The ...
Text Solution
|