15 июл. 2015 г. · Metals have one or more delocalized electrons. Non-metals have no delocalized electrons with very few exceptions. Metals have giant atomic ... Why are non-metals dull in appearance? - Quora Why do things (metals and non-metals) have different colors ... How do 'non-metal' materials reflect photons? - Quora How to tell if an element is a metal or not? What are some ... Другие результаты с сайта www.quora.com

6 февр. 2023 г. · Luster: Nonmetals are generally non-reflective, dull, and lack a shiny or metallic surface. Density: Nonmetals are generally less dense than ...

6 февр. 2017 г. · Metals-. -Shiny surface. -Good conductor of electricity. -Good conductor of heat · Non- Metals. -Dull surface. -Poor conductor of heat. -Poor ...

Non – metals are materials not holding the characteristics of metals, means they are not shiny, hard, fusible, malleable, ductile, etc. Many materials like coal ...

5 мар. 2018 г. · A non-reactive metal can be identified from other metals because its surface is usually unoxidized and does not form a visible layer of corrosion or rust.

7 июл. 2023 г. · Luster: Metals have the quality of reflecting light from their surface and can be polished e.g., gold, silver and copper. Malleability: Metals ...

Metals shows the property of malleability while non-metals are non-malleable. Metals are generally those substances that have a shiny surface and thus are ...

14 апр. 2021 г. · Non-metals do not have lustre which means that non-metals do not have a shining surface. The solid non-metals have a dull appearance. For ...

8 окт. 2024 г. · Nonmetals, on the other hand, tend to be poor conductors, brittle when solid, and often lack the metallic sheen.