Which two atoms form a covalent bond

consists of mutual sharing of one or more pair of electron between two atoms. These electron are simultaneouly attracted by the two atomic nuclei, A covalent bond forms when the differences between the electronegative of two atom is too small for an electron transfer to occur to form lons.

rocks and weathering-matching

answer'(basidium)the spore--bearing structure of a basidiomycete is called a basidiocarp; ///