SCIENCE
CHEMISTRY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Oxygen
|
|
|
Helium
|
|
|
Hydrogen
|
|
|
Lithium
|
Detailed explanation-1: -Hydrogen has atomic number 1. It has monatomic form is the most abundant chemical substance and it has single proton and zero neutrons.
Detailed explanation-2: -Is there an atom that does not have neutrons? There is only one stable atom that does not have neutrons. It is an isotope of the element hydrogen called protium. Protium, which contains a single proton and a single electron, is the simplest atom.
Detailed explanation-3: -Hydrogen (Protium-1H1) is the only element that does not contain any neutrons in its nucleus. Q. Name an atom which does not contain all three subatomic particles-proton, electron and neutron.
Detailed explanation-4: -Hydrogen does not contain neutron, because its nucleus is smallest in size which can not accommodate any heavier neutron. It also makes hydrogen atom unstable in nature.