Advertisements
Advertisements
प्रश्न
What do you understand by :
Noble gases
Advertisements
उत्तर
Noble gases : Noble gases are those which do not react chemically with other elements or compounds e.g. helium, neon, etc.
APPEARS IN
संबंधित प्रश्न
Give two symbols which have been derived from the " Latin names" of the elements.
Give a reason why elements are tabulated in a table called the ‘Periodic table’.
Give the symbol and the number of atoms of the following elements present in sodium chloride.
Give the symbol of the following element:
Chlorine [chloride]
State the type of element for the following:
Chlorine
Give three reasons why – carbon dioxide is considered a compound, while carbon – an element.
Write the radical of the following valency:
Potassium
Write the chemical formula of the following:
calcium carbonate
State the valency of the following metallic element and write symbol with the valency
Aluminium
Antimony has the highest tensile strength.
