'With 2 neutrons & 2 protons, an alpha particle is identical to the nucleus of an atom of this gas'
Helium
GENERAL SCIENCE: With 2 neutrons & 2 protons, an alpha particle is identical to the nucleus of an atom of this gas
With 2 neutrons & 2 protons, an alpha particle is identical to the nucleus of an atom of this gas
With 2 neutrons & 2 protons, an alpha particle is identical to the nucleus of an atom of this gas
GENERAL SCIENCE
Helium
GENERAL SCIENCE