charmy
Answered

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What best compares the properties of ionic and metallic substances?  

1) The bonds of metallic substances are composed of delocalized electrons, and  the bonds of ionic substances are composed of transferred electrons. 
2) The bonds of metallic substances are composed of isolated electrons, and  the bonds of ionic substances are composed of shared electrons. 
3) A metallic substance insulates heat and electricity, and solid ionic substances  conduct heat and electricity. 
4) A metallic substance has a low melting point, and an ionic substance has a  low melting point. 

Sagot :

Selina
1st answer is right: The bonds of metallic substances are composed of delocalized electrons, and  the bonds of ionic substances are composed of transferred electrons.