It is A , each sodium ion is surrounded by one chloride ion . the explanation is because Chlorine needs one more electron to have a full outer most shell , and sodium has one electron in its outer most shell .
The anserw is 5.2mm dndhd hdhdhdhd dhdbdjdbddg dhdbdhddbdgd dhdbdhdbddg hdbdhdhdgdbd
H2o only has two atoms in it.
(just trying to make this text longer,,,)
<em>"Sedimentary rocks are formed by the pressure over millions of years of organic material, inorganic material, sediment of course , and earth piling up over itself. Metamorphic rock and igneous rock originate either below the surface where plants lived and creatures roamed, or the heat from volcanic activity transformed everything. Sedimentary rock formation is the only geologic activity that permits and allows organic material preservation and hence fossil formation." </em>- <u>Charles Snider, Co-Founder of American Geode (on Quora.com)</u>
N just use a electronegativity table
