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DEFINATION OF:-

OXYGEN

IRON

LEAD

ZINC

IODINE

COPPER

CARBON

HYDROGEN

SULPHUR

CALCIUM

METAL

NON-METAL

ATOM

METALLOIDS


BRON

COTTON

 

CALCIUM

RESIDUE

Asked by rajinder.rs758 4th October 2018, 4:22 PM
Answered by Expert
Answer:

DEFINITION OF:-

OXYGEN: A colourless, odourless reactive gas, with atomic number 8 & the chemical symbol 'O' and is a non-metal.

IRON: A strong, hard magnetic silvery-grey metal, with atomic number 26 and 'Fe' as a chemical symbol.

LEAD: It is a metal has the chemical symbol 'Pb', and atomic number 82

ZINC: It is a silvery-white metal has the chemical symbol 'Zn', and atomic number 30

IODINE: A non-metallic element forming black crystals and a violet colour vapour has atomic number 53 and chemical symbol is 'I'.

COPPER: A red-brown metal with the chemical symbol 'Cu' and atomic number 29.
 
CARBON: A non-metal with atomic number 6 and has symbol 'C' has two main forms diamond and graphite.
 
HYDROGEN: A colourless, odourless highly flammable gas, with atomic number 1 & the chemical symbol 'H' and is a non-metal.
 
SULPHUR: A yellow combustible non-metal has the chemical symbol 'S', and atomic number 16.
 
CALCIUM: A soft grey metal with the chemical symbol 'Ca', and atomic number 20.
 
METAL: A solid hard, shiny, malleable, fusible, and ductile material with good thermal and electrical conductivity. For example iron, gold, silver, etc.
 
NON-METAL: An element that does not have the characteristics of metal including the ability to conduct electricity, luster, malleability, for example, carbon, nitrogen etc. 

ATOM: An atom is the smallest component of an element.

METALLOIDS: It is the type of element which possesses properties of both metals and non-metals.

 BRONZE: It is an alloy made up of copper and tin.

COTTON: A soft white fibrous substance which surrounds the seeds of the cotton plant and is made into textile fiber and thread for sewing.

CALCIUM: A soft grey metal has the chemical symbol 'Ca', and atomic number 20.

RESIDUE: It is the material remaining after a process of preparation, separation or purification such as distillation, evaporation or filtration. It may also denote the undesirable by-product of the chemical reaction.

Answered by Expert 5th October 2018, 11:37 AM
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