What is the Mass in grams of 3.1 mol of mercury

Jewelweed, a flowering plant, has seed pods that burst open when touched and forcefully eject their seeds. these structures are favorable because they a. can cause genetic changes to occur. b. prevent germination within the seed pod. c. aid in the dispersal of the species. d. attract insects that aid in pollination.

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

What shape would a molecule with two bound groups and two lone pairs have?