Hydrogen Isotopes: Atomic and Mass Numbers
All isotopes of a specific element share the same atomic number, which is determined by the number of protons. Hydrogen atoms consistently have one proton.
The atomic number for Hydrogen ($H$) is $Z=1$.
Isotopes differ in their neutron count, affecting their mass number. The mass number ($A$) is the sum of protons ($Z$) and neutrons ($N$), represented by the formula '$A = Z + N$'.
Hydrogen Isotopes Explained
- Protium ($^1$H): Contains 1 proton and 0 neutrons. Its mass number is $A = 1 + 0 = 1$.
- Deuterium ($^2$H or D): Contains 1 proton and 1 neutron. Its mass number is $A = 1 + 1 = 2$.
- Tritium ($^3$H or T): Contains 1 proton and 2 neutrons. Its mass number is $A = 1 + 2 = 3$.
For the isotope Tritium ($^3$H):
- Atomic Number ($Z$) = 1
- Mass Number ($A$) = 3
Similar Questions
- How many neutrons are present in protium?
- What is the electronic configuration of rhodium?
- Name the scientist who proposed that electrons are embedded in a positive sphere.
- Valence electrons are present in the:
- Isotopes are atoms that have the __________.
- The atomic number of an element is the number of _______ in the nucleus of each atom of that element.
- The term 'Isotope' refers to:-
- Atomic weight of an element is compared with which of the following to get the atomic weight of that element?
The discovery of the atomic nucleus by bombarding a thin gold foil with alpha particles is associated with which of the following scientists?
Two isotopes of an element have 17 protons with 18 neutrons and 20 neutrons, respectively. Which of the following is the correct representation of these isotopes?
Important Questions from Structure of Atom
Identify the element having zero valency
The atomic number of an element is 8. How many electrons will it gain to form a compound with sodium?
An atom of carbon has 6 protons. Its mass number is 12. How many neutrons are present in an atom of carbon?
What is the atomic number of nitrogen?
What are isobars?
