What is Kb for CN (aq) + H20(1) = HCN(aq) + OH- (aq)? O A. Ko = [HCNJICNJOH]
O B. Ko
(CN)
[HCN][OH-]
C. p = [HCM]
दा
[CNC]
OD. KB
(HCNJOHT)
(CNC)

When curium-242 is bombarded with an alpha particle, two products are formed, one of which is a nudge on. what is the other product

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.

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit