An element has atomic number 2. It belongs to

Question

An element has atomic number 2. It belongs to

A. O group

B. III A group

C. VI group

D. II B group

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Which of the following has the maximum size?

A. $A l^{-}$

B. $N e$

C. $N a^{+}$

D. $F^{-}$

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Which of the following did not find a place in Mendeleef's periodic table?

A. Fr

B. Na

C. Ce

D. CI

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Which of the following has minimum ionisation energy

A. Ca

B. In

C. Te

D. Rb

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Ionisation energy of potassium is $425 k J m o l^{- 1}$ . The minimum frequency of a photon that can effect the ionisation is

A. $96.5 \times 10^{15} s e c^{- 1}$

B. $1.065 \times 10^{14} s e c^{- 1}$

C. $1.065 \times 10^{12} s e c^{- 1}$

D. $1.065 \times 10^{15} s e c^{- 1}$

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Second electron affinity of the elements is always

A. positive

B. negative

C. zero

D. more than first E.A.

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In a Lother Meyer curve sodium occurs at

A. bottom

B. peak

C. some point on the curve

D. middle of the curve

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Ionisation energy is the amount of energy required to remove

A. the most loosely bound electron from an isolated gaseous atom

B. an electron from an atom of an element

C. an electron from an isolated gaseous atom

D. an electron from covalently bonded atom in a molecule

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IV Period has.........elements.

A. 18

B. 36

C. 8

D. 9

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Modem Periodic Law was given by

A. Joule

B. Moseley

C. Klechkosky

D. Meyer

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In C, N, O and F the electronegativity

A. decreases from C to F

B. decreases from C to O and then increases to F

C. increases from O to C and then decreases to F

D. increases from C to F

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Which of the following atoms is paramagnetic?

A. Zn

B. N

C. Ca

D. Sr

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Which of the following has maximum electron affinity ?

A. Cl

B. Br

C. I

D. F

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Elements belonging to the same period are

A. Si, N, O

B. Li, Be, Mg

C. Sc. Ti. V

D. Cu, Zn, Cd

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Which of the following species have minimum size?

A. $B r^{-}$

B. $S^{- 2}$

C. $N e$

D. $K^{+}$

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The successive ionisation energies of an atom of an element A are:
$900 k J m o l e^{1}$ , $1757 k J m o l e^{- 1}$ , $14850 k J m o l e^{- 1}$ respectively. The element is most likely to be

A. B

B. Be

C. F

D. Ba

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Which of the following elements have maximum electronegativity?

A. Cl

B. Br

C. F

D. C

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Elements whose atoms have incompletely filled penultimate energy levels are known as

A. s-block elements

B. p-block elements

C. d-block elements

D. inert gases

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Lother Meyer plotted a graph of

A. Atomic volume versus atomic number

B. Atomic radii versus atomic weight

C. Atomic weight versus mass number

D. Atomic volume versus atomic weight

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Which of the following has highest ionisation energy?

A. Be

B. Cl

C. Ba

D. N

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In the Mendeleef's periodic table properties of the elements are the periodic function of their

A. atomic weight

B. atomic number

C. atomic volume

D. none of these

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Elements whose atoms have incompletely filled penultimate and anti-penultimate energy levels are known as

A. Inner Transition elements

B. Representative elements

C. Inert elements

D. Noble gases

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The heaviest element is

A. Cs

B. Na

C. Hg

D. U

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With the increase in atomic number in a period of the periodic table

A. electron affinity decreases

B. metallic character decreases

C. ionisation energy decreases

D. atomic mass decreases

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The pair of elements that exhibit diagonal relationship is

A. Li-Mg

B. Al-Na

C. Ne-Ar

D. Si-P

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The lightest metal is

A. Li

B. Pb

C. Na

D. Al

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Which of the following conform both cation and anion?

A. I

B. Cl

C. K

D. F

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Which of the following has maximum ionisation energy?

A. Li

B. Ba

C. Cl

D. Be

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An element has atomic number 2. It belongs to

A. O group

B. III A group

C. VI group

D. II B group

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$O^{2 -}$ , $F^{F -}$ , $N a^{+}$ and $M g^{2 +}$ are isoelectronic, the order of increasing size is

A. $F^{-} < N a^{+} g^{+ +} < O^{2 -}$

B. $F^{-} < O^{2 -} < N a^{+} < M g^{+ +}$

C. $M g^{+ +} < F^{-} < N a^{+} < O^{2 -}$

D. $M g^{+ +} < N a^{+} < F^{-} < O^{2 -}$

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The smallest ion amongst the following

A. $S i^{+ + + 1}$

B. $K^{+}$

C. $A t^{1 + 1}$

D. $M g^{+ 1}$

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Accepted Answer

A. O group

An element has atomic number 2. It belongs to

Correct Answer :

Show all Periodic Classification of Elements MCQ

Related Questions

Which of the following has the maximum size?

Which of the following did not find a place in Mendeleef's periodic table?

Which of the following has minimum ionisation energy

Ionisation energy of potassium is $425 k J m o l^{- 1}$ . The minimum frequency of a photon that can effect the ionisation is

Second electron affinity of the elements is always

In a Lother Meyer curve sodium occurs at

Ionisation energy is the amount of energy required to remove

IV Period has.........elements.

Modem Periodic Law was given by

In C, N, O and F the electronegativity

Which of the following atoms is paramagnetic?

Which of the following has maximum electron affinity ?

Elements belonging to the same period are

Which of the following species have minimum size?

The successive ionisation energies of an atom of an element A are:
$900 k J m o l e^{1}$ , $1757 k J m o l e^{- 1}$ , $14850 k J m o l e^{- 1}$ respectively. The element is most likely to be

Which of the following elements have maximum electronegativity?

Elements whose atoms have incompletely filled penultimate energy levels are known as

Lother Meyer plotted a graph of

Which of the following has highest ionisation energy?

In the Mendeleef's periodic table properties of the elements are the periodic function of their

Elements whose atoms have incompletely filled penultimate and anti-penultimate energy levels are known as

The heaviest element is

With the increase in atomic number in a period of the periodic table

The pair of elements that exhibit diagonal relationship is

The lightest metal is

Which of the following conform both cation and anion?

Which of the following has maximum ionisation energy?

An element has atomic number 2. It belongs to

$O^{2 -}$ , $F^{F -}$ , $N a^{+}$ and $M g^{2 +}$ are isoelectronic, the order of increasing size is

The smallest ion amongst the following

Also checkout

An element has atomic number 2. It belongs to

Correct Answer :

Show all Periodic Classification of Elements MCQ

Related Questions

Which of the following has the maximum size?

Which of the following did not find a place in Mendeleef's periodic table?

Which of the following has minimum ionisation energy

Ionisation energy of potassium is 425 kJ mol-1. The minimum frequency of a photon that can effect the ionisation is

Second electron affinity of the elements is always

In a Lother Meyer curve sodium occurs at

Ionisation energy is the amount of energy required to remove

IV Period has.........elements.

Modem Periodic Law was given by

In C, N, O and F the electronegativity

Which of the following atoms is paramagnetic?

Which of the following has maximum electron affinity ?

Elements belonging to the same period are

Which of the following species have minimum size?

The successive ionisation energies of an atom of an element A are:900 kJ mole1, 1757 kJ mole-1, 14850 kJ mole-1 respectively. The element is most likely to be

Which of the following elements have maximum electronegativity?

Elements whose atoms have incompletely filled penultimate energy levels are known as

Lother Meyer plotted a graph of

Which of the following has highest ionisation energy?

In the Mendeleef's periodic table properties of the elements are the periodic function of their

Elements whose atoms have incompletely filled penultimate and anti-penultimate energy levels are known as

The heaviest element is

With the increase in atomic number in a period of the periodic table

The pair of elements that exhibit diagonal relationship is

The lightest metal is

Which of the following conform both cation and anion?

Which of the following has maximum ionisation energy?

An element has atomic number 2. It belongs to

O2-, FF-, Na+ and Mg2+ are isoelectronic, the order of increasing size is

The smallest ion amongst the following

Also checkout

Ionisation energy of potassium is $425 k J m o l^{- 1}$ . The minimum frequency of a photon that can effect the ionisation is

The successive ionisation energies of an atom of an element A are:
$900 k J m o l e^{1}$ , $1757 k J m o l e^{- 1}$ , $14850 k J m o l e^{- 1}$ respectively. The element is most likely to be

$O^{2 -}$ , $F^{F -}$ , $N a^{+}$ and $M g^{2 +}$ are isoelectronic, the order of increasing size is