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प्रश्न
X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:
______ is the metallic element.
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उत्तर
Y [2, 8, 2] is the metallic element.
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संबंधित प्रश्न
The atomic number of an element X is 12.
(a) What must an atom of X do to attain the nearest inert gas electron configuration?
(b) Which inert gas is nearest to X?
Fill in the following blank with suitable word:
The electrical conductivity and melting point of an alloy is ........... than that of pure metals.
Give reasons
Magnesium is used in fire works.
Write ‘true’ or ‘false’ for the following statement :
Silver is used to make electric cables.
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Sulphuric acid
The metal which is liquid at room temperature is ______.
What is ductility?
The most abundant metal in the earth’s crust is ____________.
Give an example of a metal which
- is liquid at room temperature.
- is the best conductor of heat.
Sodium is a hard metal.
