Which substance has particle with the highest average kinetic energy? 50. g of solid iron at 35 degrees Celsius
100. g of liquid water at 300 Kelvins
100. g of carbon dioxide gas at 298 Kelvins
125 a nf liquid hromine at 25 degrees Celsius

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

1)each group 16 element has how many valence electrons? ( )4 ( )6 ( )8 ( )16 2)how many dots appear in the dot structure for calcium ion, ca2+? ( )zero ( )one ( )two ( )eight 3) which of the following atoms forms a cation to obtain an octet of outer shell electrons? ( )magnesium ( )oxygen ( )fluorine ( )helium 4) an al3+ ion contains 13 protons and 10 electrons. ( )true ( )false 5) valence and non-valence electrons are represented in lewis dot structures. ( )true ( )false

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?