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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 following are the characteristics of isotopes of an elements ? (i) Isotopes of an eleme...

Multiple choice question

Which of the following are the characteristics of isotopes
of an elements ?
(i) Isotopes of an element have same atomic masses
(ii) Isotopes of an element have same atomic number
(iii) Isotopes of an element show same physical properties
(iv) Isotopes of an element show same chemical
properties

Arrange the following elements in the order of their decreasing metallic character Na, Si, CI, Mg, A...

Multiple choice question

Arrange the following elements in the order of their
decreasing metallic character Na, Si, CI, Mg, Al

Arrange the following elements in the order of their increasing non-metallic characte Li. O. C, Be, ...

Multiple choice question

Arrange the following elements in the order of their
increasing non-metallic characte Li. O. C, Be, F

According to Mendeleev's Periodic Law, the elements were arranged in the periodic table in the order...

Multiple choice question

According to Mendeleev's Periodic Law, the elements were
arranged in the periodic table in the order of

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