1- Get rid of malware: Once you have upgraded to the Windows 10, run a complete system malware scan or an anti-virus scan to remove malware from your computers. 2- Optimize start-up: Advertisements. 1  Run Task Manager by pressing and holding the Ctrl, Shift and Esc keys. 2  Select the Startup tab.
31. Antimony is like a nonmetal in that it is a brittle, crystalline solid, has poor electrical and heat conductivity, and has a low boiling point. However, it is also like a metal because of its shiny silver appearance and ability to form alloys. Into which group should antimony be placed? 32.
antimonynoun [ U ] âº a chemical element that is a silver-white, poisonous metal. It is hard but easily broken and is used to make other metals harder and stronger and to make semiconductors for computers. Great harm was done by the abuse of antimony, but then great harm is done by the abuse of anything, no matter how good it may be.