1) How many of the o bonds in H2SO4 are coordinate covalent bonds?​

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

Here’s one way to follow the scientific method. place the missing steps in the correct position in the process

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.