Which statement is true of energy in reactants during an endothermic reaction?.

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

Which of the following observations indicates that an atom has neutrons? some uncharged particles are scattered by a beryllium atom when it hits a gold foil. some uncharged particles bounce back from a gold foil when it is bombarded with alpha particles. a radiation consisting of uncharged particles is emitted when alpha particles strike beryllium atoms. a radiation which attracts electrons is produced when a beryllium atom is bombarded with alpha particles.

Determine the total number of atoms in 1.0 mol of co2