Scenario You have discovered the newest element to be added to the periodic table.
Element Mass
419.5 amu
Number of Protons
120 where would the new element be listed on the table(period, group, atomic number )

Your roll: experienced electron speech is adressed to: a new "freshman class" of electrons job: write a speech task: you are to pretend that you are giving a speech to a new group of electrons. be sure to mention their placement in an atom, their charge, and their role in chemical bonding (ionic and covalent) be specific!

At 20°c, a sample of h2o liquid and a sample of co2 gas each have the same average kinetic energy. why is one a liquid and the other a gas at this temperature?

Which organism develops breathing organism develops breathing organs from pharyngeal arches? shark, spider, sea star, sea horse