General Knowledge - General Science - Discussion

57. 

Which of the following is not an isotope of hydrogen?

[A]. Tritium
[B]. Deuterium
[C]. Protium
[D]. Yttrium

Answer: Option D

Explanation:

http://en.wikipedia.org/wiki/Isotopes_of_hydrogen

Satakshi Awasthi said: (Apr 8, 2011)  
Because yttrium is a element.

Payal said: (Mar 14, 2014)  
Because hydrogen have three isotopes.

1. Tritium.
2. Protium.
3. Deuterium.

Tiana said: (Apr 26, 2014)  
What is isotopes?

Apr said: (Jul 9, 2014)  
Hydrogen has three naturally occurring isotopes.

Other, highly unstable nuclei (4H to 7H) have been synthesized in the laboratory but not observed in nature.

The 03 isotopes are:

1. Protium.
2. Tritium.
3. Deuterium.

Tritium being the most stable from among the 03.

Small amts of tritium occur naturally becoz of interaction of cosmic rays with atmospheric gases.

Tritium has also been released during nuclear weapons tests.

Shristi said: (Apr 7, 2015)  
Ytterium is a transition element with Z=39. Other are 3 isotopes of Hydrogen.

1. Protium (1H1).
2. Deuterium (1H2).
3. Tritium (1H3).

The Isotopes of Hydrogen:

It is often useful to study the simplest system. Therefore, hydrogen, the simplest nucleus, has been studied extensively. The isotopes of hydrogen show many of the effects found in more complicated nuclei. (The word isotope refers to a nucleus with the same Z but different A).

There are three isotopes of the element hydrogen: hydrogen, deuterium, and tritium. How do we distinguish between them? They each have one single proton (Z = 1) , but differ in the number of their neutrons. Hydrogen has no neutron, deuterium has one, and tritium has two neutrons.

The isotopes of hydrogen have, respectively, mass numbers of one, two, and three. Their nuclear symbols are therefore 1H, 2H, and 3H. The atoms of these isotopes have one electron to balance the charge of the one proton. Since chemistry depends on the interactions of protons with electrons, the chemical properties of the isotopes are nearly the same.

Micah K Raj said: (Jun 26, 2015)  
Yttrium is a grayish-white metal generally included among the rare earth elements.

Priyanka said: (Sep 18, 2017)  
Hydrogen has only three isotopes.
Protium.
Deuterium.
Tritium.

Adhi said: (Jan 27, 2019)  
Isotops are atoms which have same number of protons and electrons but a different number of neutrons.

Nandu said: (Sep 6, 2019)  
What is a isotope?

Amarjeet said: (Oct 7, 2019)  
What is isotope?

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