Why does a Lewis structure of a covalent molecule show only the valence electrons?

Which features are shown in the image? check all that apply. folds o anticlines o synclines o normal faults ostrike-slip faults

Identify two types of chemical bonding in the source of dietary potassium

Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride