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In which orbital does an electron in a phosphorus atom experience the greatest shielding?

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Important Questions on Modern Periodic Table

MEDIUM

Chemistry>Inorganic Chemistry>Modern Periodic Table>Periodic trends in elemental properties

Which one of the following has largest ionic radius ?

MEDIUM

Chemistry>Inorganic Chemistry>Modern Periodic Table>Periodic trends in elemental properties

The ionic radii

(in Å)

N^{3 -}, O^{2 -}

and

F^{-}

are respectively:

EASY

Chemistry>Inorganic Chemistry>Modern Periodic Table>Periodic trends in elemental properties

Among the element Li, N, C and Be, one with the largest atomic radius is

MEDIUM

Chemistry>Inorganic Chemistry>Modern Periodic Table>Periodic trends in elemental properties

Which of the following orders of ionic radii is correctly represented?

EASY

Chemistry>Inorganic Chemistry>Modern Periodic Table>Periodic trends in elemental properties

The first ionization enthalpies of

Be, B, N

and

O

follow the order

MEDIUM

Chemistry>Inorganic Chemistry>Modern Periodic Table>Periodic trends in elemental properties

In comparison to boron, beryllium has:

EASY

Chemistry>Inorganic Chemistry>Modern Periodic Table>Periodic trends in elemental properties

The effective nuclear charge of an element with three valence electrons is

2.60

. What is the atomic number of the element?

EASY

Chemistry>Inorganic Chemistry>Modern Periodic Table>Periodic trends in elemental properties

Which of the following arrangements is correct regarding the three types of radii for an atom?

EASY

Chemistry>Inorganic Chemistry>Modern Periodic Table>Periodic trends in elemental properties

The correct order of atomic radii in group

13

elements is

EASY

Chemistry>Inorganic Chemistry>Modern Periodic Table>Periodic trends in elemental properties

For

{Na}^{+}, {Mg}^{2 +}, F^{-}

and

O^{2 -}

, the correct order of increasing ionic radii is:

MEDIUM

Chemistry>Inorganic Chemistry>Modern Periodic Table>Periodic trends in elemental properties

The ionic radii of

O^{2 -}, F^{-}, {Na}^{+}

and

{Mg}^{2 +}

are in the order:

EASY

Chemistry>Inorganic Chemistry>Modern Periodic Table>Periodic trends in elemental properties

The correct order of atomic radii is:

MEDIUM

Chemistry>Inorganic Chemistry>Modern Periodic Table>Periodic trends in elemental properties

The correct order of the ionic radii of

O^{2 -}, N^{3 -}, F^{-}, {Mg}^{2 +}, {Na}^{+}

and

{Al}^{3 +}

is :

MEDIUM

Chemistry>Inorganic Chemistry>Modern Periodic Table>Periodic trends in elemental properties

The size of the iso-electronic species

C l^{-}

, Ar and

C a^{2 +}

is affected by:

EASY

Chemistry>Inorganic Chemistry>Modern Periodic Table>Periodic trends in elemental properties

The correct order of ionic size of

N^{3 -}, {Na}^{+}, F^{-}, {Mg}^{2 +}

and

O^{2 -}

is :

EASY

Chemistry>Inorganic Chemistry>Modern Periodic Table>Periodic trends in elemental properties

What is the correct order of atomic radii of the following atoms?

MEDIUM

Chemistry>Inorganic Chemistry>Modern Periodic Table>Periodic trends in elemental properties

The effective nuclear charge for an electron in

n = 2

shell in a fluorine atom will be, (calculated according to Slater's rules):

EASY

Chemistry>Inorganic Chemistry>Modern Periodic Table>Periodic trends in elemental properties

In general, the properties that decrease and increase down a group in the periodic table, respectively, are :

EASY

Chemistry>Inorganic Chemistry>Modern Periodic Table>Periodic trends in elemental properties

The species

A r, K^{+}

and

C a^{2 +}

contain the same number of electrons. In which order do their radii increase?

EASY

Chemistry>Inorganic Chemistry>Modern Periodic Table>Periodic trends in elemental properties

Identify the element that forms amphoteric oxide:

In which orbital does an electron in a phosphorus atom experience the greatest shielding?

Important Questions on Modern Periodic Table

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