Why do valence electrons form bonds to create molecules and compounds?

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Valence electrons form bonds to create molecules and compounds because A. they are weaker than the electrons found closer to the nucleus.

A better way of saying it is that the valence electrons are less strongly attracted to the nucleus.

All electrons have the same size, but the orbitals they occupy have different sizes.

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Practice Problems Exercise 8.6 Classify each of the following reactions in as many ways as possible.4N H3 (g) 5 O2 (g) n 4NO(g)

nikklg [1K]

Explanation :

(a) $4NH_3(g)+5O_2(g)\rightarrow 4NO(g)+6H_2O(g)$

This reaction is combustion reaction in which an oxygen react with a molecule to give its corresponding oxides ans water molecule.

(b) $S_8(s)+8O_2(g)\rightarrow 8SO_2(g)$

This reaction is a redox reaction or oxidation-reduction reaction in which sulfur get oxidized and oxygen get reduced.

(c) $2Al(s)+3Cl_2(g)\rightarrow 2AlCl_3(s)$

This reaction is a combination reaction in which the two reactants molecule combine to form a large molecule or product.

(d) $2AlN\rightarrow 2Al(s)+N_2(g)$

This reaction is a decomposition reaction in which a large molecule or reactant decomposes to give two or more molecule or products.

(e) $BaCl_2(aq)+Na_2SO_4(aq)\rightarrow BaSO_4(s)+2NaCl(aq)$

This reaction is a double displacement reaction in which the cation of two reactants molecule exchange their places to give two different products.

(f) $2Cs(s)+Br_2(l)\rightarrow 2CsBr(s)$

This reaction is a combination reaction in which the two reactants combine to form a large molecule or product.

(g) $KOH(aq)+HCl(aq)\rightarrow H_2O(l)+KCl(aq)$

This reaction is a double displacement reaction in which the cation of two reactants molecule exchange their places to give two different products.

(h) $2C_2H_2(g)+5O_2(g)\rightarrow 4CO_2(g)+2H_2O(l)$