What are the major differences between metals and non-metals?
(N/A)
| Metals | Non-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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