Select the correct statements from the following:
$A$. Atoms of all elements are composed of two fundamental particles.
$B$. The mass of the electron is $9.10939 \times 10^{-31} \ kg$.
$C$. All the isotopes of a given element show same chemical properties.
$D$. Protons and electrons are collectively known as nucleons.
$E$. Dalton's atomic theory regarded the atom as an ultimate particle of matter.
Choose the correct answer from the options given below:
$A$. Atoms of all elements are composed of two fundamental particles.
$B$. The mass of the electron is $9.10939 \times 10^{-31} \ kg$.
$C$. All the isotopes of a given element show same chemical properties.
$D$. Protons and electrons are collectively known as nucleons.
$E$. Dalton's atomic theory regarded the atom as an ultimate particle of matter.
Choose the correct answer from the options given below:
- A$B, C$ and $E$ only
- B$A, B$ and $C$ only
- C$C, D$ and $E$ only
- D$A$ and $E$ only
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Column-$I$ Column-$II$ $(1)$ Photon $(A)$ Value of $4$ for $N$ shell $(2)$ Electron $(B)$ Probability density $(3)$ $\psi^2$ $(C)$ Always $+$ value $(4)$ Principal quantum number $(n)$ $(D)$ Represents wavelength and momentum
| Column-$I$ | Column-$II$ |
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| $(1)$ Photon | $(A)$ Value of $4$ for $N$ shell |
| $(2)$ Electron | $(B)$ Probability density |
| $(3)$ $\psi^2$ | $(C)$ Always $+$ value |
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View SolutionConsider the following:
$I$. The electron spin quantum number describes the orientation of the spin of the nucleus with respect to the magnetic field.
$II$. The orbitals represented by the quantum numbers $n=3, l=2, m=+2$ and $n=3, l=2, m=-2$ have the same energy.
$III$. The energy of a photon is directly proportional to wavelength but inversely proportional to wave number.
$IV$. Lyman series of lines appear in ultra-violet region.
The correct statements are:
$I$. The electron spin quantum number describes the orientation of the spin of the nucleus with respect to the magnetic field.
$II$. The orbitals represented by the quantum numbers $n=3, l=2, m=+2$ and $n=3, l=2, m=-2$ have the same energy.
$III$. The energy of a photon is directly proportional to wavelength but inversely proportional to wave number.
$IV$. Lyman series of lines appear in ultra-violet region.
The correct statements are:
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