The mass of the whole hydrogen atom includes the mass of an electron as well as the proton.
The proton mass is nearly 2000 (actually about 1836) times greater than the electron mass.
So, the mass of the hydrogen atom isn't much different from the mass of the proton.
It's also possible this question could be about isotopes.
Hydrogen has rare isotopes with one or two neutrons in the nucleus.
So, the average mass of hydrogen, as measured, is usually a bit more than you would expect from just a proton and electron.
However, these other isotopes are very rare and the effect on the mass of a sample of hydrogen would be very small.
No the hydrogen nucleus is a proton. The helium nucleus is an alpha particle.
Hydrogen is not changed into helium in nuclear fission. In nuclear physics, nuclear fusion is a reaction in which two or more lighter atomic nuclei are forced together and are fused into a heavier nucleus. In the case of the formation of hydrogen into helium, our sun does that in what is called the proton-proton reaction.
This is a fusion process, the nuclear reaction that powers our Sun. Hydrogen and hydrogen isotopes come together to make helium
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It's called the proton-proton cycle. It's the source of the sun's energy. Also called nuclear fusion.
Hydrogen has one proton in its nucleus.
Yes. Specifically nuclear fusion, in which hydrogen atoms with one proton combine to form helium atoms with two protons.
The sun is a star, and it is also a nuclear fusion reactor. It is fusing hydrogen into helium to create energy via what we call the proton-proton nuclear reaction. Our local star has been doing this for billions of years, and will continue to do so for billions more.
No, it cannot. Fission is the "splitting" of an atom, and a hydrogen atom will not fission. Some hydrogen atoms have a neutron stuck to the proton in their nucleus. Some even have two neutrons stuck to that proton. These neutrons can be "knocked loose" in something like a nuclear chair reaction in a weapon. The neutrons then can contribute to the building of the nuclear chain reaction. But fission doesn't happen to hydrogen.
Yes, the proton-proton chain involves a series of nuclear reactions where four hydrogen nuclei (protons) are fused together to form one helium nucleus. This process releases energy in the form of gamma rays and solar neutrinos.
The difference between deuterium and tritium is one neutron. Deuterium has one proton and one neutron, 12H, while tritium has one proton and two neutrons, 13H.
Hydrogen is placed in group 1, along with alkali metals