My cat and wall are talking to each other and floating. Should I call the police? Oh no, the Christmas tree lights are going in and out. Is ThE dEmiGoRgEn HeRe?!?! (100 point giveaway #idon'tknowanymore

Determine the fraction of the magnitude of kinetic energy lost by a neutron (m1 = 1.01 u) when it collides head-on and elastically with a target particle at rest which is 21h (heavy hydrogen, m = 2.01 u).

Explain the difference in reactivity of the elements based on their electron configurations.

Does science support the idea that humans have influenced global warming? provide specific examples that show how two knowledgeable individuals with differing opinions might argue.