What are the major differences between metals and non-metals?

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MetalsNon-metals
$(1)$ Elements that easily lose electrons to form positive ions are known as metals.$(1)$ Elements that tend to gain electrons to form negative ions and have higher electron gain enthalpy are known as non-metals.
$(2)$ Metals have low electronegativity,which decreases as metallic character increases.$(2)$ Non-metals have high electronegativity,which increases as non-metallic character increases.
$(3)$ Metallic character increases down a group.$(3)$ Non-metallic character increases from left to right across a period.
$(4)$ Their oxides are generally basic.$(4)$ Their oxides are generally acidic.
$(5)$ Metals are electropositive and have low ionization enthalpy.$(5)$ Non-metals are electronegative and have high ionization enthalpy.
$(6)$ They act as strong reducing agents.$(6)$ They act as oxidizing agents.
$(7)$ They have low (less negative) electron gain enthalpy.$(7)$ They have high (more negative) electron gain enthalpy.
$(8)$ They typically form ionic compounds.$(8)$ They typically form covalent compounds.

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