The exchange of particles considered responsible for keeping the nucleons together are

Question

The exchange of particles considered responsible for keeping the nucleons together are

A. meson

Correct Answer :

A. meson

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Which elements is represented by the following electronic configuration?

B. Oxygen

D. Neon

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The number of unpaired electrons in a chromic ion $C r^{+ 3}$ (atomic number 24) is

A. 6

B. 4

C. 3

D. 1

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The wavelength of an electron

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The corect set of quantum numbers for the impaired electron of fluorine atom is

A.

n	l	m
2	1	0

B.

n	l	m
2	1	1

C.

n	l	m
3	1	1

D.

n	l	m
3	0	0

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The possible values of l for an s orbital are

A. -1, +1

B. 0 to 2

D. 0

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The size of nucleus is

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Isotones have same

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The fundamental particle that has least mass is

A. meson

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The relationship between energy of a radiation and its frequency was given by

A. Planck

D. Joule

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For a given energy level the number of orbitals is equal to

A. $n^{2}$

B. $2 l + 1$

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The number of neutrons in the deuterium atom is

A. 16

B. 3

C. 1

D. 0

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Argon is isoelectronic with

B. $C l^{-}$

C. $B r^{-}$

D. $H^{+}$

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The number of unpaired electrons in fluorine atoms is/are

A. 4

B. 2

C. 1

D. 0

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The number of unpaired electrons in the ground state of chromium is

A. 1

B. 6

C. 7

D. 2

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The angular momentum of the moving electron is equal to

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The number of neutrons present in ${}_{19}^{39}K$ are

A. 28

B. 39

C. 20

D. 19

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Electronic configuration of $C u^{+}$ is

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Charge on an electron was shown by

C. Ohm

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Wave number is defined as

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The atomic structure of an atom of an element is Is $1 s^{2}, 2 s^{2} 2 p^{6}, 3 s^{2} 3 p^{6}$ . The element is

A. Cl-35

B. S-32

C. N-18

D. O-16

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The atomic number of an element having the valence shell electronic configuration $4 s^{2} 4 p^{6}$ is

A. 35

B. 26

C. 23

D. 34

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Cathode rays contain a stream of

A. $n$

B. $r$

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In an atom of hydrogen, which of the following orbitais has the lowest energy for an electron present in it?

A. 3r

B. 2p

C. 4p

D. 2s

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The ion that is isoelectronic with CO is

A. $C N^{-}$

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A dipositive ion $Z^{+ +}$ has $2 e^{-}$ in the K shell, 8 e~ s in the L shell and $8 e^{-}$ in the M shell. Atomic number of Z is

A. 19

B. 20

C. 16

D. 15

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The maximum number of electrons in a sub-energy level is equal to

C. $2 n^{2}$

D. $n^{3}$

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Mass of positron is the same to that of

A. proton

B. meson

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The exchange of particles considered responsible for keeping the nucleons together are

A. meson

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In the nucleus of ${}_{20}C a^{40}$ there are

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Among the following ions, which are has the highest paramagnetism?

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Answer 1

B. electron

Answer 2

C. positron

Answer 3

D. neutron

Answer 4

A. Nitrogen

Answer 5

C. Fluorine

Answer 6

A. is equal to that of light

Answer 7

B. remains constant with velocity

Answer 8

C. decreases with an increasing velocity

Answer 9

D. increases with an decreasing velocity

Answer 10

C. -2 and + 1

Answer 11

A.

10^{- 12} m

Answer 12

B.

10^{- 8} m

Answer 13

C.

10^{- 15} m

Answer 14

D.

10^{- 10} m

Answer 15

A. mass number

Answer 16

B. nuclear mass

Answer 17

C. no. of neutrons

Answer 18

D. no. of electrons

Answer 19

B. alpha-particle

Answer 20

C. electron

Answer 21

D. neutron

Answer 22

B. Rutherford

Answer 23

C. Einstein

Answer 24

C.

4 (2 l + 3)

Answer 25

D.

\sqrt{2 n^{3}}

Answer 26

A.

M g^{+ +}

Answer 27

A.

\sqrt{n h}

Answer 28

B.

\frac{h^{2}}{2 π}

Answer 29

C.

\frac{n h}{π}

Answer 30

D.

\frac{n h}{2 π}

Answer 31

A.

[A r] 3 d^{9}

Answer 32

B.

[A r] 3 d^{10}

Answer 33

C.

[A r] 3 d^{9} 3 s^{2}

Answer 34

D.

[A r] 3 d^{7} 4 s^{1} 4 p^{1}

Answer 35

A. J. J. Thomson

Answer 36

B. Kirchoff

Answer 37

D. M.Planck

Answer 38

A.

\frac{3}{λ}

Answer 39

B.

\frac{λ^{2}}{n π}

Answer 40

C.

\frac{h}{2 π}

Answer 41

D.

\frac{1}{λ}

Answer 42

C.

{}_{+ 1}e^{0}

Answer 43

D.

{}_{- 1}e^{0}

Answer 44

B.

{O_{2}}^{+}

Answer 45

C.

{O_{2}}^{-}

Answer 46

D.

{N_{2}}^{+}

Answer 47

A.

4 (2 l + 1)

Answer 48

B.

2 (2 l + 1)

Answer 49

C. electron

Answer 50

D. neutron

Answer 51

B. electron

Answer 52

C. positron

Answer 53

D. neutron

Answer 54

A. 40 protons and 20 electrons

Answer 55

B. 20 protons and 40 electrons

Answer 56

C. 20 protons and 40 neutrons

Answer 57

D. 20 protons and 20 neutrons

Answer 58

A.

[C r (H_{2} O)_{6}]^{+ 3}

Answer 59

B.

[F e (H_{2} O)_{6}]^{+ 2}

Answer 60

C.

[C u (H_{2} O)_{6}]^{+ 2}

Answer 61

D.

[Z n (H_{2} O)_{6}]^{+ 2}

The exchange of particles considered responsible for keeping the nucleons together are

Correct Answer :

Show all Atomic Structure MCQ

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Isotones have same

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The angular momentum of the moving electron is equal to

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The maximum number of electrons in a sub-energy level is equal to

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The exchange of particles considered responsible for keeping the nucleons together are

In the nucleus of ${}_{20}C a^{40}$ there are

Among the following ions, which are has the highest paramagnetism?

Also checkout

The exchange of particles considered responsible for keeping the nucleons together are

Correct Answer :

Show all Atomic Structure MCQ

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Which elements is represented by the following electronic configuration?

The number of unpaired electrons in a chromic ion Cr+3 (atomic number 24) is

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The possible values of l for an s orbital are

The size of nucleus is

Isotones have same

The fundamental particle that has least mass is

The relationship between energy of a radiation and its frequency was given by

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The number of neutrons in the deuterium atom is

Argon is isoelectronic with

The number of unpaired electrons in fluorine atoms is/are

The number of unpaired electrons in the ground state of chromium is

The angular momentum of the moving electron is equal to

The number of neutrons present in K1939 are

Electronic configuration of Cu+ is

Charge on an electron was shown by

Wave number is defined as

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The atomic number of an element having the valence shell electronic configuration 4s24p6 is

Cathode rays contain a stream of

In an atom of hydrogen, which of the following orbitais has the lowest energy for an electron present in it?

The ion that is isoelectronic with CO is

A dipositive ion Z++ has 2e- in the K shell, 8 e~ s in the L shell and 8e- in the M shell. Atomic number of Z is

The maximum number of electrons in a sub-energy level is equal to

Mass of positron is the same to that of

The exchange of particles considered responsible for keeping the nucleons together are

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Among the following ions, which are has the highest paramagnetism?

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The number of unpaired electrons in a chromic ion $C r^{+ 3}$ (atomic number 24) is

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The atomic number of an element having the valence shell electronic configuration $4 s^{2} 4 p^{6}$ is

A dipositive ion $Z^{+ +}$ has $2 e^{-}$ in the K shell, 8 e~ s in the L shell and $8 e^{-}$ in the M shell. Atomic number of Z is

In the nucleus of ${}_{20}C a^{40}$ there are