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The reason why metal have to be clean with sandpaper is to remove the oxide layer on the surface of the metal. This is because most metal have a high tendency toward oxygen. The metal will react with oxygen in the air and form an oxide layer on the surface of the metal.
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∙ 11y ago
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Why do metals have to be sandpapered from time to time?
To avoid rusting
Why pushing a wooden block across a rough surface will make the bottom of the block feel warm?
Fine sawdust occurs when wood is sandpapered.
What are the chacteistics of metals?
what are the characteristics of metals? metals? non-metals?
Most elements are what?
metals
Classes of elements?
Metals, non metals and metaloids (which have some of the properties of both metals and non metals).
Are metalloids metals non metals the same?
They are in between the metals and non metals
How are alkali metals different any from other metals?
Alkali metals are very reactive metals.
What are the three groups you see on the periodic table?
You can see the Alkaline Metals, Alkaline Earth Metals, Transition Metals, Other Metals (poor conducting metals), metaloids (characteristics of metals and non-metals combined), non-metals, noble gases, and unknown metals (like #112-118)The transition metals at the bottom of the periodic table are lanthanides and actinides.3 main ones are usually: Alkaline metals, Transition metals, and Non-metals...I hope this was useful!-Fuyuki
What are the main metals in the periodic table?
The three main metals in a periodic table are transition metals, alkali metals, and alakaline earth metals.
Is malleable properties of both metals and non metals?
metals
Are there more metals or non metals on the periodic table?
metals
Are the Lanthanide Series metals or non-metals or metaloids?
They are Metals
