If an atom has four electrons in the outer energy level, how will it form a bond? It will not form a bond.
It will gain electrons.
It will lose electrons.
It will share electrons.

Use examples from the article to explain one positive and one negative effect that chemistry has had on society

How many neutrons does a atom of cobalt have?

Give the set of reactants (including an alkyl halide and a nucleophile) that could be used to synthesize the following ether: draw the molecules on the canvas by choosing buttons from the tools (for bonds and charges), atoms, and templates toolbars, including charges where needed. ch3ch2och2ch2chch3 | ch3