Isotope 3He: 1 neutron, 2 protons
Isotope 4He: 2 neutrons, 2 protons
Paleozoic era
Three minutes after the Big Bang, the universe had cooled down enough for protons and neutrons to begin combining to form the first atomic nuclei, a process known as nucleosynthesis. This marks the beginning of the era of light nuclei formation in the early universe.
The Paleozoic Era
Answer th How is the modern era similar to the classical era? is question…
Answer th How is the modern era similar to the classical era? is question…
Answer th How is the modern era similar to the classical era? is question…
Answer th How is the modern era similar to the classical era? is question…
Answer th How is the modern era similar to the classical era? is question…
on the Era of Nuclei
the modern era
The NHL's modern era began in 1992.
what was congress doing on that day in the modern era