Nucleosynthesis is the process that creates new atomic nuclei from pre-existing
nucleons, primarily protons and neutrons. The first nuclei were formed about
three minutes after the Big Bang, through...
Atoms that are heavier than hydrogen were made by nuclear fusion after the big
bang. Initially, only the lightest element, hydrogen, was present.
Oct 22, 2009 ... An element is a pure substance made of atoms that are all of the same type. ... '
Big Bang', only the lightest elements were formed – hydrogen and helium ...
which allows elements heavier than iron, such as uranium and gold, ...
Aug 9, 2000 ... While the abundance of these more massive ("heavy", A > 4) elements seems
quite low, it is important to remember that most of the atoms in our bodies and
Earth ... The low-mass elements, hydrogen and helium, were produced in the ...
more massive than <sup>4</sup>He were not made in the Big Bang because the ...
Jun 8, 2010 ... All of the atoms on the Earth except hydrogen and most of the helium are ... made
of carbon atoms, hydrogen atoms, and oxygen atoms (C6H12O6). ... The atoms
heavier than helium up to the iron and nickel atoms were made ...
Jul 1, 2015 ... You see, the Universe starts off with hydrogen and helium, all stars ... In fact, you
can't make the first of the heavier-than-helium elements in ...
Most of these elements were discovered toward the end of the 18<sup>th</sup> century and
throughout ... To some extent, modern nuclear physics has made real the dream
of the ... While in a hydrogen atom, a single electron orbits a single proton,
heavier .... heavier than hydrogen and helium as “heavy elements,” or simply “
Jul 5, 2013 ... Neutrons, as you'll remember, are slightly heavier than protons: by about 0.2%.
As the Universe ..... Anyway, I made a Dutch translation of this article: .... about 92
percent of the atoms in the Universe were hydrogen. The rest ...
Nuclear fusion involves two atomic nuclei joining to make a large nucleus.
Energy is released ... A hyrdogen-1 nucleus is made of 1 proton. This can
combine ... Heavier elements than hydrogen and helium (up to iron) are formed.
It depends if you are talking about the diatomic form of hydrogen or just hydrogen
atoms. ... Why is Jupiter so heavy if it's made of hydrogen and helium?