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प्रश्न
Name the following:
The group of the Modern Periodic Table to which calcium [Ca2+] belongs.
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उत्तर
Group 2
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संबंधित प्रश्न
Give two example of group 17 elements.
Which element has the electronic configuration 2, 8, 2?
What are the periods in a periodic table? Give two characteristics of each.
Write the number of protons, neutrons and electronic configuration of \[\ce{_19^39K, _15^31P}\]. Also state their position in periodic table.
Give the symbol and valency of the following element and radical.
Sulphur [Sulphide]
Give the symbol and valency of the following element and radical.
Bisulphate
State the number of elements in Period 2 of the Periodic Table.
The element with atomic number 14 is hard and forms acidic oxide and a covalent halide. To which of the following categories does the element belong?
Spot the error:
The elements of group 13 are called the carbon family.
An element ‘M' has 50% of the electrons filled in the 3rd shell as in the 2nd shell. The atomic number of ‘M’ is ______.
