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CBSE Notes 2011-2012 » X-Science-Term2

Periodic Classification of Elements

On moving from left to right in a period in the periodic table, the size of the atom

Multiple choice question

On moving from left to right in a period in the periodic
table, the size of the atom

Which of the following set of elements is written in order of their increasing metallic character ?

Multiple choice question

Which of the following set of elements is written in order
of their increasing metallic character ?

Which of the given elements A, B, C, D and E with atomicnumber 2, 3, 7, 10 and 30 respectively belon...

Multiple choice question

Which of the given elements A, B, C, D and E with atomicnumber
2, 3, 7, 10 and 30 respectively belong to the same
period ?

The element with atomic number 14 is hard and forms acidic oxide and a covalent halide. To which of ...

Multiple choice question

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 ?

The elements, A, B, C, D and E have atomic number 9,11, 17, 12 and 13 respectively. Which pair of el...

Multiple choice question

The elements, A, B, C, D and E have atomic number 9,11,
17, 12 and 13 respectively. Which pair of elements belong
to the same group ?

Which one of the following does not increase while moving down the group of the periodic table ?

Multiple choice question

Which one of the following does not increase while moving
down the group of the periodic table ?

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