Copper futures fall on weak demand | News
23 Sep, 2021, 10.52 PM
On the Multi Commodity Exchange, copper contracts for the September delivery eased by Rs 12.30, or 1.71 per cent, to Rs 708.85 per kg in a business turnover of 3,603 lots.
Copper futures fall on weak demand | News
24 Sep, 2021, 02.50 AM
On the Multi Commodity Exchange, copper contracts for the September delivery eased by Rs 12.80, or 1.74 per cent, to Rs 722.25 per kg in a business turnover of 3,827 lots.
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Copper futures fall on weak demand | News
24 Sep, 2021, 03.31 AM
On the Multi Commodity Exchange, copper contracts for the September delivery eased by Rs 4.80, or 0.66 per cent, to Rs 724.20 per kg in a business turnover of 3,747 lots.
Copper futures fall on weak demand | News
24 Sep, 2021, 06.19 AM
On the Multi Commodity Exchange, copper contracts for the September delivery eased by 25 paise, or 0.03 per cent, to Rs 740.90 per kg in a business turnover of 3,766 lots.
Copper futures rise on spot demand | News
24 Sep, 2021, 06.37 AM
On the Multi Commodity Exchange, copper contracts for delivery in September traded higher by Rs 7.90, or 1.11 per cent, to Rs 718.70 per kg in a business turnover of 4,234 lots.
Copper futures fall on weak demand | News
24 Sep, 2021, 07.27 AM
On the Multi Commodity Exchange, copper contracts for the September delivery eased by Rs 4.40, or 0.62 per cent, to Rs 706.90 per kg in a business turnover of 5,064 lots.
Copper futures fall on weak demand | News
24 Sep, 2021, 08.17 AM
On the Multi Commodity Exchange, copper contracts for the September delivery eased by Rs 5.60, or 0.78 per cent, to Rs 710.60 per kg in a business turnover of 2,500 lots.
Copper futures rise on robust demand | News
23 Sep, 2021, 11.17 PM
On the Multi Commodity Exchange, copper contracts for delivery in September traded higher by 80 paise, or 0.11 per cent, to Rs 712.85 per kg in a business turnover of 4,569 lots.
Copper futures rise on spot demand | News
24 Sep, 2021, 12.25 AM
On the Multi Commodity Exchange, copper contracts for delivery in September traded higher by Rs 2.7, or 0.38 per cent, to Rs 710.95 per kg in a business turnover of 4,788 lots.
Copper futures fall on weak demand | News
24 Sep, 2021, 01.27 AM
On the Multi Commodity Exchange, copper contracts for September delivery eased by Rs 9.55, or 1.32 per cent, to Rs 711.40 per kg in a business turnover of 4,636 lots.
silver
chemical element
between copper (Period 4) and gold (Period 6), and its
physical and chemical properties are intermediate between those two metals.
Properties, uses, and occurrence
Together with gold and the platinum-group metals, silver is one of the so-called precious metals. Because of its comparative scarcity, brilliant white colour, malleability .
ductility, and resistance to atmospheric oxidation, silver has long been used in the manufacture of coins, ornaments, and jewelry.
Silver ornaments and decorations have been found in royal tombs dating back as far as 4000 bce. It is probable that both gold and silver were used as money by 800 bce in all countries between the Indus and the Nile.
Silver is widely distri
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buted in nature
but the total amount is quite small when compared with other metals; the metal constitutes 0.05 part per million of Earth’s crust.
Practically all sulfides of lead, copper, and zinc contain some silver.
Silver-bearing ores may contain amounts of silver from a trace to several thousand troy ounces per avoirdupois ton, or about 10 percent.
Compounds
For silver the preeminently important oxidation state in all of its ordinary chemistry is the state +1, although the states +2 and +3 are known.
Silver compounds include silver chloride (AgCl), silver bromide (AgBr), and silver iodide (AgI). Each of these salts is used in photography.
Gold
Gold is a chemical element with the symbol Au (from Latin : aurum ) and atomic number 79, making it one of the higher atomic number elements that occur naturally. In a pure form, it is a bright , slightly reddish yellow, dense, soft, malleable ,
Characteristics
Gold is the most malleable of all metals. It can be drawn into a wire of single-atom width, and then stretched considerably before it breaks.[11] Such nanowires distort via formation, reorientation and migration of dislocations and crystal twins without noticeable hardening.
Isotopes
Gold has only one stable isotope , 197
Au , which is also its only naturally occurring isotope, so gold is both a mononuclidic and monoisotopic element .
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