Which bond type, not intermolecular force, is weakest? *no answers from the internet please*

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots

Based on its chemical properties, identify the position of each chemical family on the periodic table.