Draw the shape of the 1s, 2s, 2px, 2py and 2pz orbital

Which of the following statements is true about planck’s law

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?