Question

physical and chemical properties and uses of silver​

Answer 1

Answer:

Pure silver is nearly white, lustrous, soft, very ductile, malleable, it is an excellent conductor of heat and electricity. It is not a chemically active metal, but it is attacked by nitric acid (forming the nitrate) and by hot concentrated sulfuric acid.

Answer 2

Explanation:

silver is nearly white, lustrous, soft, very ductile, malleable, it is an excellent conductor of heat and electricity. It is not a chemically active metal, but it is attacked by nitric acid (forming the nitrate) and by hot concentrated sulfuric acid.

Atomic number

47

Atomic mass

107.87 g.mol -1

Electronegativity according to Pauling

1.9

Density

10.5 g.cm-3 at 20°C

Melting point

962 °C

Boiling point

2212 °C

Vanderwaals radius

0.144 nm

Ionic radius

0.126 nm

Isotopes

11

Electronic shell

[ Kr ] 4d10 5s1

Energy of first ionization

758 kJ.mol -1

Energy of second ionization

2061 kJ.mol -1

It is used for jewellery and silver tableware, where appearance is important. Silver is used to make mirrors, as it is the best reflector of visible light known, although it does tarnish with time. It is also used in dental alloys, solder and brazing alloys, electrical contacts and batteries.