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प्रश्न
Give the chemical formula of magnesium nitrate
उत्तर
It denotes in a compound, the number of atoms of element present.
∴ Formula = \[\ce{Mg(NO3)2}\]
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संबंधित प्रश्न
The position of three elements A, B and C in the Periodic Table are shown below –
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Group 16
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Group 17
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A
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−
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B
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C
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(a) State whether A is a metal or non-metal.
(b) State whether C is more reactive or less reactive than A.
(c) Will C be larger or smaller in size than B?
(d) Which type of ion, cation or anion, will be formed by element A?
Name the scientist who prepared modern periodic table.
Consider the following elements:
Ca, Cl, Na, I, Li, Ba, Sr, K, Br
Separate these elements into three groups (families) of similar properties. State one property in each case on the basis of which you have made your choice.
How would the tendency to lose electrons change as we go from left to right across a period of the periodic table?
What is the fundamental difference in the electron configurations between the group 1 and group 2 elements?
In the modern Periodic Table, why does cobalt with higher atomic mass of 58.93 appear before nickel having lower atomic mass of 58.71?
Name two elements in each case: Lanthanides
Fill in the blank:
The element lithium in the Modern Periodic Table with valency 1+ belongs to the group ______.
The modern periodic table is divided into which blocks?
The modern periodic table has 1 to 7 periods.
