Complete the following equations for nuclear reactions: (a) 11B + ? → 2 1 0n + 13N
(b) ? + D → 1 0n + 36Ar
(c) 96Mo + D → ? + 97Tc
(d) 45Sc + 1 0n → α + ?

Which uses electromagnetic radiation to discover the properties and composition of bodies in space? space probe space station space shuttle space observatory

The is a particle with one unit of positive charge a. proton b. positron c. electron d. nucleus awnser quick it is a important science test!

The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.