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FORMULAS AND SHORT NOTES FOR FAST AND EASY EXAM REVISION

Silver

Discover silver element properties, atomic number, valency, electronic configuration, uses in jewelry, electronics, solar panels, medicine, and industrial applications.

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Facts about Silver

  • Symbol: Ag (from Latin: Argentum)
  • Atomic Number: 47
  • Appearance: Shiny, white metal
  • Occurrence: Found in the Earth's crust and in minerals like argentite and chlorargyrite

Properties of Silver

  • Conductivity: Silver has the highest electrical and thermal conductivity of all metals. This means it can carry electricity and heat very well.
  • Malleability and Ductility: Silver is very malleable (can be hammered into thin sheets) and ductile (can be drawn into thin wires).
  • Reflectivity: Silver reflects light very well, making it useful in mirrors and coatings for optical devices.
  • Antibacterial: Silver ions have antibacterial properties, which help kill bacteria and other microorganisms. Also Read Chemistry Formulas

Table 1: Most Important Facts About Silver

PropertyDetails
Element NameSilver
SymbolAg
Atomic Number47
Atomic Mass107.87 u
Group11
Period5
Blockd-block
DiscoveryKnown since ancient times
Physical StateSolid
ColorLustrous silvery-white
NatureTransition Metal
Melting Point961.8°C
Boiling Point2162°C
Density10.49 g/cm³
OccurrenceFound in ores such as argentite (Ag₂S) and horn silver (AgCl)
ConductivityHighest electrical and thermal conductivity among all metals
MalleabilityHighly malleable and ductile
Corrosion ResistanceResistant to corrosion but tarnishes in air containing sulfur compounds
Industrial ImportanceUsed in electronics, jewelry, photography, and medicine
Unique FactSilver is the best conductor of electricity of any known element

Table 2: Electronic Configuration, Valency, and Uses of Silver

PropertyInformation
SymbolAg
Atomic Number47
Electronic Configuration[Kr] 4d¹⁰ 5s¹
Full Electronic Configuration1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 4d¹⁰ 5s¹
Shell-wise Configuration2, 8, 18, 18, 1
Valence Electrons1
Common Valency1
Oxidation States+1, +2, +3
Use in JewelryWidely used to make ornaments, coins, and decorative items
Use in ElectronicsUsed in electrical contacts, switches, and circuit boards due to excellent conductivity
Use in Solar PanelsSilver paste is used in photovoltaic cells to improve efficiency
Use in PhotographySilver halides are used in traditional photographic films
Use in MedicineSilver compounds have antibacterial properties and are used in wound dressings
Use in MirrorsUsed to produce high-quality reflective coatings
Use in BatteriesSilver oxide batteries are used in watches and electronic devices
Use in Water PurificationSilver ions help prevent bacterial growth in water systems
Use in Chemical IndustryUsed as a catalyst in various industrial chemical reactions
Use in AerospaceUsed in specialized electrical and thermal applications due to high conductivity

Elemental Characteristics

  • Atomic Structure: Silver has 47 protons and electrons, with its atomic mass being about 107.87 atomic mass units.
  • Chemical Reactions: Silver is relatively unreactive. It does not tarnish quickly and does not react with oxygen or water at room temperature. However, it can react with sulfur compounds in the air, forming a black tarnish of silver sulfide.

Uses of Silver

  1. Jewelry and Silverware: Because of its luster and workability, silver is commonly used in making jewelry, utensils, and decorative items.
  2. Electronics: Silver's excellent electrical conductivity makes it ideal for use in electrical contacts, conductors, and printed circuit boards.
  3. Photography: Silver halides are used in photographic films and papers due to their light-sensitive properties.
  4. Medical Applications: Silver is used in wound dressings, coatings for medical devices, and antibacterial creams because of its antimicrobial properties.
  5. Mirrors and Coatings: Silver is used to make high-quality mirrors and in solar panels to improve efficiency by reflecting sunlight.
  6. Coins and Investments: Silver has been used historically in coins and is still used as an investment in the form of bars and bullion coins.
  7. Batteries: Silver oxide is used in small batteries, such as those in watches and hearing aids, because of its long-lasting power.

FAQs for Element Silver