05. Electronic Configuration and Shape of Orbital's
Structure of Atom

238910 Assertion: Helium and beryllium having similar outer electronic configuration of types $\mathrm{ns}^2$. Reason: Both are chemically inert.

1 If both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.
2 If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion.
3 If Assertion is true but the Reason is false
4 If both Assertion ad Reason are false
Structure of Atom

238916 The element with outer electronic configuration $(n-1) d^2 n s^2$. where $n=4$. would belong to

1 $2^{\text {nd }}$ period. $2^{\text {nd }}$ group
2 $4^{\text {th }}$ period. $4^{\text {th }}$ group
3 $4^{\text {th }}$ period. $2^{\text {nd }}$ group
4 $2^{\text {nd }}$ period. $4^{\text {th }}$ group
Structure of Atom

238919 The atomic number of an element ' $M$ ' is 26 . How many electrons are present in the M-shell of the element in its $M^{3+}$ state?

1 11
2 15
3 14
4 13
Structure of Atom

238922 Orbital having 3 angular nodes and 3 total nodes to

1 $5 \mathrm{p}$
2 $3 \mathrm{~d}$
3 $4 \mathrm{f}$
4 $6 \mathrm{~d}$
Structure of Atom

238923 The number of radial nodes of $3 \mathrm{~s}$ and $2 p$ orbitals are respectively

1 2,0
2 0,2
3 1,2
4 2,2
Structure of Atom

238910 Assertion: Helium and beryllium having similar outer electronic configuration of types $\mathrm{ns}^2$. Reason: Both are chemically inert.

1 If both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.
2 If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion.
3 If Assertion is true but the Reason is false
4 If both Assertion ad Reason are false
Structure of Atom

238916 The element with outer electronic configuration $(n-1) d^2 n s^2$. where $n=4$. would belong to

1 $2^{\text {nd }}$ period. $2^{\text {nd }}$ group
2 $4^{\text {th }}$ period. $4^{\text {th }}$ group
3 $4^{\text {th }}$ period. $2^{\text {nd }}$ group
4 $2^{\text {nd }}$ period. $4^{\text {th }}$ group
Structure of Atom

238919 The atomic number of an element ' $M$ ' is 26 . How many electrons are present in the M-shell of the element in its $M^{3+}$ state?

1 11
2 15
3 14
4 13
Structure of Atom

238922 Orbital having 3 angular nodes and 3 total nodes to

1 $5 \mathrm{p}$
2 $3 \mathrm{~d}$
3 $4 \mathrm{f}$
4 $6 \mathrm{~d}$
Structure of Atom

238923 The number of radial nodes of $3 \mathrm{~s}$ and $2 p$ orbitals are respectively

1 2,0
2 0,2
3 1,2
4 2,2
Structure of Atom

238910 Assertion: Helium and beryllium having similar outer electronic configuration of types $\mathrm{ns}^2$. Reason: Both are chemically inert.

1 If both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.
2 If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion.
3 If Assertion is true but the Reason is false
4 If both Assertion ad Reason are false
Structure of Atom

238916 The element with outer electronic configuration $(n-1) d^2 n s^2$. where $n=4$. would belong to

1 $2^{\text {nd }}$ period. $2^{\text {nd }}$ group
2 $4^{\text {th }}$ period. $4^{\text {th }}$ group
3 $4^{\text {th }}$ period. $2^{\text {nd }}$ group
4 $2^{\text {nd }}$ period. $4^{\text {th }}$ group
Structure of Atom

238919 The atomic number of an element ' $M$ ' is 26 . How many electrons are present in the M-shell of the element in its $M^{3+}$ state?

1 11
2 15
3 14
4 13
Structure of Atom

238922 Orbital having 3 angular nodes and 3 total nodes to

1 $5 \mathrm{p}$
2 $3 \mathrm{~d}$
3 $4 \mathrm{f}$
4 $6 \mathrm{~d}$
Structure of Atom

238923 The number of radial nodes of $3 \mathrm{~s}$ and $2 p$ orbitals are respectively

1 2,0
2 0,2
3 1,2
4 2,2
Structure of Atom

238910 Assertion: Helium and beryllium having similar outer electronic configuration of types $\mathrm{ns}^2$. Reason: Both are chemically inert.

1 If both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.
2 If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion.
3 If Assertion is true but the Reason is false
4 If both Assertion ad Reason are false
Structure of Atom

238916 The element with outer electronic configuration $(n-1) d^2 n s^2$. where $n=4$. would belong to

1 $2^{\text {nd }}$ period. $2^{\text {nd }}$ group
2 $4^{\text {th }}$ period. $4^{\text {th }}$ group
3 $4^{\text {th }}$ period. $2^{\text {nd }}$ group
4 $2^{\text {nd }}$ period. $4^{\text {th }}$ group
Structure of Atom

238919 The atomic number of an element ' $M$ ' is 26 . How many electrons are present in the M-shell of the element in its $M^{3+}$ state?

1 11
2 15
3 14
4 13
Structure of Atom

238922 Orbital having 3 angular nodes and 3 total nodes to

1 $5 \mathrm{p}$
2 $3 \mathrm{~d}$
3 $4 \mathrm{f}$
4 $6 \mathrm{~d}$
Structure of Atom

238923 The number of radial nodes of $3 \mathrm{~s}$ and $2 p$ orbitals are respectively

1 2,0
2 0,2
3 1,2
4 2,2
Structure of Atom

238910 Assertion: Helium and beryllium having similar outer electronic configuration of types $\mathrm{ns}^2$. Reason: Both are chemically inert.

1 If both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.
2 If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion.
3 If Assertion is true but the Reason is false
4 If both Assertion ad Reason are false
Structure of Atom

238916 The element with outer electronic configuration $(n-1) d^2 n s^2$. where $n=4$. would belong to

1 $2^{\text {nd }}$ period. $2^{\text {nd }}$ group
2 $4^{\text {th }}$ period. $4^{\text {th }}$ group
3 $4^{\text {th }}$ period. $2^{\text {nd }}$ group
4 $2^{\text {nd }}$ period. $4^{\text {th }}$ group
Structure of Atom

238919 The atomic number of an element ' $M$ ' is 26 . How many electrons are present in the M-shell of the element in its $M^{3+}$ state?

1 11
2 15
3 14
4 13
Structure of Atom

238922 Orbital having 3 angular nodes and 3 total nodes to

1 $5 \mathrm{p}$
2 $3 \mathrm{~d}$
3 $4 \mathrm{f}$
4 $6 \mathrm{~d}$
Structure of Atom

238923 The number of radial nodes of $3 \mathrm{~s}$ and $2 p$ orbitals are respectively

1 2,0
2 0,2
3 1,2
4 2,2