The heaviest element is

Question

The heaviest element is

A. Cs

B. Na

C. Hg

D. U

Correct Answer :

D. U

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The heaviest element is

A. Cs

B. Na

C. Hg

D. U

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Which of the following has minimum ionisation energy

A. Ca

B. In

C. Te

D. Rb

Discuss this answer

Lother Meyer plotted a graph of

Discuss this answer

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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Arrange the following set of atoms in the order of increasing atomic radius : F, Cl, C, O

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Law of octaves was given by

A. Meyer

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3.Atomic number of an element X is 34, it belongs to

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In the periodic table on moving from left to right across a period, the metallic character of elements

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Which of the following has maximum electron affinity ?

A. Cl

B. Br

C. I

D. F

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The general electronic configuration of s-block elements is

C. $n s^{1}$

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

Discuss this answer

Which of the following elements is not liquid at room temperature, i.e., 25°C?

A. Hg

B. Br

C. Cl

D. Cs

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

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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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Modem Periodic Law was given by

A. Joule

D. Meyer

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The lightest metal is

A. Li

B. Pb

C. Na

D. Al

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Which of the following is not an s-block element?

A. Ru

B. Be

C. Fr

D. Rb

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On moving across a period from left to right the ionisation energy increases because

Discuss this answer

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

Discuss this answer

An element has atomic number 2. It belongs to

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Which of the following has minimum ionisation energy?

A. F

B. Cl

C. Br

D. I

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Which of the following have maximum size?

A. $C l$

B. $N_{2}$

C. $F$

D. $N e$

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Elements belonging to the same period are

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An element A has atomic number 7. It will have properties similar to the element with atomic number

A. 85

B. 57

C. 26

D. 51

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The first atom with maximum number of d-electrons is with atomic number

A. 27

B. 46

C. 36

D. 29

Discuss this answer

In C, N, O and F the electronegativity

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Which of the following has highest ionisation energy?

A. Be

B. Cl

C. Ba

D. N

Discuss this answer

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

Discuss this answer

Which of the following has maximum ionisation energy?

A. Li

B. Ba

C. Cl

D. Be

Discuss this answer

Arrange the following set of atoms in the increasing order of electron affinity: F, Sr, Ge, Se

Discuss this answer

Answer 1

A. Atomic volume versus atomic number

Answer 2

B. Atomic radii versus atomic weight

Answer 3

C. Atomic weight versus mass number

Answer 4

D. Atomic volume versus atomic weight

Answer 5

A. F, Cl, O, C

Answer 6

B. C. O, F, Cl

Answer 7

C. O. C, F, Cl

Answer 8

D. F, O, C, Cl

Answer 9

B. Mendeleev

Answer 10

C. Moseley

Answer 11

D. Newland

Answer 12

A. IV period, VIA group

Answer 13

B. IV period, IIA group

Answer 14

C. V period, III B group

Answer 15

D. IV period, VII A group

Answer 16

A. increases

Answer 17

B. decreases

Answer 18

C. increases and decreases

Answer 19

D. remains the same

Answer 20

A.

n s^{1 - 2}

Answer 21

B.

n s^{2} p^{6}

Answer 22

D.

n s^{0 t o 2}

Answer 23

A. atomic weight

Answer 24

B. atomic number

Answer 25

C. atomic volume

Answer 26

D. none of these

Answer 27

A. electron affinity decreases

Answer 28

B. metallic character decreases

Answer 29

C. ionisation energy decreases

Answer 30

D. atomic mass decreases

Answer 31

B. Moseley

Answer 32

C. Klechkosky

Answer 33

A. value of principal quantum number increases

Answer 34

B. effective nuclear charge increases

Answer 35

C. atomic size increases

Answer 36

D. nuclear charge increases

Answer 37

A.

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

Answer 38

B.

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

Answer 39

C.

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

Answer 40

D.

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

Answer 41

A. O group

Answer 42

B. III A group

Answer 43

C. VI group

Answer 44

D. II B group

Answer 45

A. Si, N, O

Answer 46

B. Li, Be, Mg

Answer 47

C. Sc. Ti. V

Answer 48

D. Cu, Zn, Cd

Answer 49

A. decreases from C to F

Answer 50

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

Answer 51

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

Answer 52

D. increases from C to F

Answer 53

A. s-block elements

Answer 54

B. p-block elements

Answer 55

C. d-block elements

Answer 56

D. inert gases

Answer 57

A. Ge, Se, Sr. F

Answer 58

B. Se, Ge. Sr. F

Answer 59

C. Sr, Ge. Se. F

Answer 60

D. F, Sr, Ge. Se

The heaviest element is

Correct Answer :

Show all Periodic Classification of Elements MCQ

Related Questions

The heaviest element is

Which of the following has minimum ionisation energy

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$900 k J m o l e^{1}$ , $1757 k J m o l e^{- 1}$ , $14850 k J m o l e^{- 1}$ respectively. The element is most likely to be

Arrange the following set of atoms in the order of increasing atomic radius : F, Cl, C, O

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

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Modem Periodic Law was given by

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Which of the following is not an s-block element?

On moving across a period from left to right the ionisation energy increases because

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

An element has atomic number 2. It belongs to

Which of the following has minimum ionisation energy?

Which of the following have maximum size?

Elements belonging to the same period are

An element A has atomic number 7. It will have properties similar to the element with atomic number

The first atom with maximum number of d-electrons is with atomic number

In C, N, O and F the electronegativity

Which of the following has highest ionisation energy?

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

Which of the following has maximum ionisation energy?

Arrange the following set of atoms in the increasing order of electron affinity: F, Sr, Ge, Se

Also checkout

The heaviest element is

Correct Answer :

Show all Periodic Classification of Elements MCQ

Related Questions

The heaviest element is

Which of the following has minimum ionisation energy

Lother Meyer plotted a graph of

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

Arrange the following set of atoms in the order of increasing atomic radius : F, Cl, C, O

Law of octaves was given by

3.Atomic number of an element X is 34, it belongs to

In the periodic table on moving from left to right across a period, the metallic character of elements

Which of the following has maximum electron affinity ?

The general electronic configuration of s-block elements is

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

Which of the following elements is not liquid at room temperature, i.e., 25°C?

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

The pair of elements that exhibit diagonal relationship is

Modem Periodic Law was given by

The lightest metal is

Which of the following is not an s-block element?

On moving across a period from left to right the ionisation energy increases because

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

An element has atomic number 2. It belongs to

Which of the following has minimum ionisation energy?

Which of the following have maximum size?

Elements belonging to the same period are

An element A has atomic number 7. It will have properties similar to the element with atomic number

The first atom with maximum number of d-electrons is with atomic number

In C, N, O and F the electronegativity

Which of the following has highest ionisation energy?

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

Which of the following has maximum ionisation energy?

Arrange the following set of atoms in the increasing order of electron affinity: F, Sr, Ge, Se

Also checkout

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

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