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# Physics of the atom and nucleus
# The structure of the atomic nucleus
# atomic nucleus mass
# The number of neutrons in the nucleus of an atom
# properties of the atom and the nucleus
# Briefly about the nucleus of the atom
# Corn kernel components
# The radius of the corn kernel
# kernel and atom
# An atom is the smallest amount of matter
# matter and atom
# The nucleus in physics
# Physics and the nucleus
# nucleus quantum physics
# atomic physics
# Physics subject distance
# magnetism of the atomic nucleus
# The nucleus and its atomic structure
# The atomic structure of the nucleus
# Atomic mass and nuclear energy
