Neutrons were given by the following symbol: 1 n 0 . an alpha particle (a helium atom) is designated as 4 he 2 or α the collision of 239 pu 94 with an alpha particle generates a new isotope and one neutron. what is the new isotope that is produced in this nuclear reaction?

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space