Advertisements
Advertisements
प्रश्न
State the type of element for the following:
Platinum
विकल्प
Metal
Non-metal
Metalloid
Noble gas
Advertisements
उत्तर
Metal
APPEARS IN
संबंधित प्रश्न
Write the symbols of helium, silver, krypton, antimony, barium.
The formula of the sulphate of an element X is X2(SO4)3. The formula of nitride of element X will be :
Match the noble gases – with their correct symbols:
| Noble gases | Symbols |
| (a) Helium | (1) Ar |
| (b) Neon | (2) Xe |
| (c) Argon | (3) Rn |
| (d) Krypton | (4) He |
| (e) Xenon | (5) Kr |
| (f) Radon | (6) Ne |
Give the symbol of the following element:
Iodine
Give the symbol of the following element:
Phosphorus
Write the radical of the following valency:
Carbonate
Write the chemical formula of the following:
Sodium bromide
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).
Phosphate
Describe the different ways in which we can write the symbols of elements. Give appropriate examples.
Mass of one atom of oxygen is
