give some important key points of metals and non metals lesson at least 15 points
Answers
2. Non-metals are elements whose gain electrons to form negative ions.
3. Examples of metals are iron, copper, zinc, steel, gold, silver, platinum, cobalt, etc.
4 Examples of non-metal are wood, rubber, hair, plastic, etc.
5. the metals that are found naturally are called noble metals.
6. the elements that are not classified metal or non-metals are called metalloids.
7. example of metalloids are silicon, boron, etc.
8. all metal are lusturous but non-metals are non-lustrous except graphite.
9. all metal can drawn into sheets but non-metal can't.
10. all metals can drawn into wires but non-metal can't.
11. all metals can act as conductor but non-metal can't, except graphite.
12. all metals can act as conductor of heat but the non-metal can't, except graphite.
13. the metals or non-metals are mixed with another metal or non-metal is called alloy.
14. the alloy has certain specific qualities.
15. tungsten have the highest conductivity of heat.
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Answer:1. Metals are elements whose gain neutrons and lose electrons to form positive ions.
2. Non-metals are elements whose gain electrons to form negative ions.
3. Examples of metals are iron, copper, zinc, steel, gold, silver, platinum, cobalt, etc.
4 Examples of non-metal are wood, rubber, hair, plastic, etc.
5. the metals that are found naturally are called noble metals.
6. the elements that are not classified metal or non-metals are called metalloids.
7. example of metalloids are silicon, boron, etc.
8. all metal are lusturous but non-metals are non-lustrous except graphite.
9. all metal can drawn into sheets but non-metal can't.
10. all metals can drawn into wires but non-metal can't.
11. all metals can act as conductor but non-metal can't, except graphite.
12. all metals can act as conductor of heat but the non-metal can't, except graphite.
13. the metals or non-metals are mixed with another metal or non-metal is called alloy.
14. the alloy has certain specific qualities.
15. tungsten have the highest conductivity of heat.
Explanation: