Advertisements
Advertisements
प्रश्न
State the type of element for the following:
Xenon
विकल्प
Metal
Non-metal
Metalloid
Noble gas
Advertisements
उत्तर
Noble gas
APPEARS IN
संबंधित प्रश्न
Define: Elements-
Which particular atom of the above element is used for this purpose ?
Give two examples of the following:
Solid + Liquid mixture
Match the formulas of the following gases with their correct names :
Gases - (a) H2 (b) N2 (c) O2 (d) Cl2 (e) HCI (f) NH3 (g) CO (h) CO2 (i) SO2 (j) NO (k) NO2.
Names:
(1) Ammonia (2) Nitrogen Dioxide (3) Oxygen (4) Hydrogen (5) Nitrogen (6) Chlorine (7) Carbon Monoxide (8) Sulphur Dioxide (9) Nitrogen Monoxide (10) Carbon Dioxide (11) Hydrogen Chloride
Elements are mainly classified into metals and non-metals. State six properties of metals which differ from non-metals.
Give the symbol of the following element:
Silicon
Write the radical of the following valency:
Calcium
Write the radical of the following valency:
Carbonate
Give the formula of the following acid:
Sulphuric
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Bisulphate
