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प्रश्न
Element X forms a chloride with the formula XCl2, which is a solid with a high melting point. X would most likely be in the same group of the Periodic Table as
पर्याय
Na
Mg
Al
Si
उत्तर
Mg
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संबंधित प्रश्न
Helium is an unreactive gas and neon is a gas of extremely low reactivity. What, if anything, do their atoms have in common?
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(c) Is it a metal or a non-metal?
(d) Write the formula of its oxide.
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Give a reason for the following:
Mendeleev's contributions to the periodic table laid the foundation for the Modern Periodic Table.
At the time of Mendeleev, the number of elements known was ______
Eka-aluminium and Eka-silicon are known as ______
