Metal and non metal notes class 10

CBSE Class 10 Science Revision Notes Chapter 3: Check quick revision notes for CBSE Class 10 Science Chapter 3 - Metals And Non-metals. These revision notes or the short notes for Class 10 Science Chapter 'Metals and Non-metals' are prepared by subject experts according to the latest CBSE Class 10 Syllabus of Science. You may revise the whole chapter in only 5-10 minutes with the help of short notes provided in this article. You can also attempt the questions given at the end of the notes for self-assessment. Also Read| CBSE Class 10 Science Deleted Syllabus 2023-24 CBSE Class 10 Science Sample Paper 2023-24 Revision Notes for CBSE Class 10 Science Notes for Chapter 3 Metals And Non-metals: Physical Properties of Metals (i) They are lustrous, i.e., they have a shiny surface. (ii) All metals are solids except mercury which is liquid at room temperature. (iii) Metals are ductile which means they can be drawn into wires. (iv) Metals are malleable which means they can be beaten into sheets. The only exception is mercury. (v) They are good conductors of heat and electricity except lead and mercury. (vi) They have high density and high melting point except alkali metals like lithium, sodium, potassium are so soft that they can be cut with a knife. Physical Properties of Non-metals (i) They are non-lustrous and have dull appearance except graphite and iodine that are lustrous. (ii) They are generally soft, except diamond. (iii) They are non-ductile. (iv) They are non-malleable. (...

CBSE NCERT Class 10 Notes Science contains physics, chemistry and biology notes of chapter 3 Metals and Non Metals topics given in textbook are part of Revision Notes for Class Science Notes cover an overview of the main given points of every concepts and Topics in the NCERT TextBooks Class 10th Science this Chapter Notes includes topic/concepts wise explanations for all the topic provided in the book such as Metal and non Metals, Good Conductor , Conductors, Insulator, Chemical Properties Reactivity Series Ductile and High melting and Boiling Point Well prepared Class 10th Science Notes will guidance students understand the topics ,concepts and themes covered in all the chapters of Ncert Text book of 10th METALS Those elements which form positive ions by losing electrons are called Metals. Physical Properties of Metals - 1. Good Conductor of Heat and Electricity. 2. High melting and Boiling Point 3. Solid at room temperature except mercury (liquid) 4. Are Sonorous (means they produce a sound on striking) 5. Are Malleable, i.e., they can be hammered into thin sheets. 6. Are Ductile (means they can be used to make wires) Gold is the most ductile metal means wires of gold can be made easily because gold is very soft for bending. But we can’t use Wires of Gold in our Home (क्य ू ं�क Gold इतना महँगा है क� पू रा घर ह��बक जाएगा� Copper Wire Gold Wire Chemical properties of Metals - 1. Reaction of Metals with Oxygen - Metal + Oxygen → Metal Oxide Examples - 2Mg + O2 → 2MgO 2Cu + ...

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• Metal : Metals are the elements which shows properties like luster, hardness, malleability, ductility, etc. • Non Metals : Non Metals are the elements which do not show properties like metals. • Properties of Metals and Non-Metals / Difference between Metals and Non-Metals : Property Metals Non Metals Lustre Yes No Hardness Yes No ( are generally soft) Malleability (Can be beaten into sheets) Are malleable No malleability Ductility (Can be drawn into wires) Are ductile. No ductility Heat Conduction Good conductor of heat Bad conductors of heat Electrical Conduction Good conductors of electricity Bad conductors of electricity (used as an insulator) Sonority (Produces sound) Are sonorous No sonority • Varying behaviour of metals and non-metals / Exceptions in metals and non-metals . • Metals : • Among metals, Mercury is only liquid metal. • Metals have high melting point, Gallium and Caesium are metals with low melting point. • Metals are hard,but Lithium, Sodium, Potassium are soft. • Non-Metals : • Iodine is only non-metal which posses lustre. • Carbon in non-metals show different forms like graphite, diamond, etc (property of allotropy) • Chemical properties of Metals : • Burning of metal in air : Metal + Oxygen ⟶ Metal Oxide • Anodising : [ Refer video to understand in detail ] Aluminium when exposed to air forms thin oxide layer which prevents further corrosion. Thin layer of oxide is made thicker with help of anodising. In this process, aluminium article is anode and...

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Please refer toMetals And Non MetalsClass10Sciencenotes and questions with solutions below. These revision notes and important examination questions have been prepared based on the latestSciencebooks for Class10ScienceMetals And Non MetalsNotes and Questions Metals are the elements which form positive ions by losing electrons. Thus, metals are known as Electropositive Elements. Physical Properties of Metals Metals are the elements that conduct heat and electricity and are malleable and ductile. Examples are Iron (Fe), Aluminum (Al), Silver (Ag), Copper (Cu), Gold (Au), Platinum (Pt), Lead (Pb), Potassium (K), Sodium (Na), Calcium (Ca) and Magnesium (Mg) etc. Physical Properties of Metals * Hardness:Most of the metals are hard, except alkali metals, such as sodium, potassium, lithium, etc. are very soft metals. These can be cut by using a knife. * Strength:Most of the metals are strong and have high tensile strength. Because of this, bigstructures are made using metals, such as copper (Cu) and iron (Fe). (Except Sodium (Na) andpotassium (K) which are soft metals). *State:Metals are solid at room temperature except for mercury (Hg). * Sound:Metals produce ringing sound, so, metals are called Sonorous. Sound of metals is alsoknown as Metallic sound. This is the cause that metal wires are used in making musicalinstruments. * Conduction:Metals are a good conductor of heat and electricity. This is the cause thatelectric wires are made of metals like copper and aluminum. * Mallea...