What are the superheavy elements and where are they located on the periodic table

Based on the law of conservation of energy, which statement is false? answer- energy is lost when machines dont work right

In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town

Find the mass in grams of 1.37x1020 particles of h3po4