1) the name of which metal comes from the word meaning 'yellow'? _________
2) which metal has the highest known electrical conductivity of all metals?______
3) which is the most abundant metallic elements in the earth crust? ________
4) the average quantity of which elements in the human body is about 4.5 grams which approximately 65 percent is in the form of haemoglobin?_________
5) The Spaniards called this ' platina del pinto' because of its resemblance to silver. ________
6) which metal was called the 'metal of cyprus' by the Romans? __________
7) Which bluish- white metal is believed to be the oldest of metal by alchemists? ______
8) which is the most abundant. Metallica the human body? ________
9) which metal was known in Roman times only in combination with copper as the alloy brass? ___________
10) which is the only elemental metal that is liquid at room temperature? __________
Answers
Answer:
- Muntz metal
- Silver
- Aluminium
- iron
- Platinum
- Copper
- Lead
- Calcium
- Zinc Metal
- Mercury
Answer:
(1) The definition of yellow metal in the dictionary is a type of brass having about 60 per cent copper and 40 per cent zinc
(2) Silver has the highest electrical conductivity of all metals. In fact, silver defines conductivity - all other metals are compared against it. On a scale of 0 to 100, silver ranks 100, with copper at 97 and gold at 76.
(3) Aluminum is the most abundant metal in the earth's crust.
(4) The average quantity of iron in the human body is about 4.5 grams (about 0.004 percent), of which approximately 65 percent is in the form of hemoglobin, which transports molecular oxygen from the lungs throughout the body; 1 percent in the various enzymes that control intracellular oxidation; and most of the rest ...
(5) The Spaniards called the new metal platina del Pinto for its resemblance to silver. The world's most important deposits occur in the
(6) 3500 bce). The Roman supply of copper came almost entirely from Cyprus. It was known as aes Cyprium, “metal of Cyprus,” shortened to cyprium and later corrupted to cuprum.
(7) Answer: In alchemy, lead was thought to be the oldest metal and was associated with the planet Saturn.
(8) Notes: Calcium is the most abundant metal in the human body.
(9) Zinc metal was known in Roman Times only in combination with copper, as the alloy brass.
(10) mercury
The only stable liquid elemental metal at room temperature is mercury (Hg), which is molten above −38.8 °C (234.3 K, −37.9 °F)
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