No, boric acid can still be very dangerous to humans, animals, and children. It may requires a lot of it for a lethal dose, but there are also several side effects of exposure to boric acid. Many of the insecticides that contain boric acid will contain a sweetener, such as sugar, to attract insects.
Within a water molecule is covalent bonds. between water molecules are hydrogen bonds.
Also, since water molecules are polar (there is a positive charge at one end and a negative charge toward the other end) the bonds are also polar covalent bonds. : : H = O = H : : Imagine that the 4 dots next to each H atom are the electrons that are positioned around it.