Neon is an inert gas and has the atomic number of 10. which of the following correctly depicts its electron configuration? 1s22d8 1s22s43p4 1s22s22p6 1s22s23p44d2

Which of the following is not a true statement about dwarf planets? a the kuiper belt contains comets, asteroids, and dwarf planets. b ceres is a dwarf planet located in the kuiper belt. c the largest known dwarf planet in the solar system is named eris.

What is the mass of 4 molecules of co2

11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg