What molecular shape is this lewis structure? A. Trigonal pyramidal
B. Trigonal planar
C. Bent
D. Tetrahedral
E. Linear

Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.

Is 9 correct? and can someone me with 10? it’s due tomorrow, you

If the solubility of a gas in water is 1.22g/2.75 atm, what is it’s solubility (in g/l) at 1.0 atm