00. Atomic Number, Mass Number, Atomic Species
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Structure of Atom

238584 Increasing order (lowest first) for the values of e/m for electron (e), proton (p), neutron (n) and $\alpha$-particles is

1 e, p, n, $\alpha$
2 $\mathrm{n}, \alpha, \mathrm{p}, \mathrm{e}$
3 $\mathrm{n}, \mathrm{p}, \mathrm{e}, \alpha$
4 n, p, $\alpha, \mathrm{e}$
CG PET -2009
Structure of Atom

238607 The atomic number of an element is 8 . How many electrons will it gain to form a compound with sodium?

1 One
2 Two
3 Three
4 Four
Structure of Atom

238590 The correct symbol of the species with number of electrons, protons and neutrons as 18,16 and 16 respectively is
#[Qdiff: Very Easy, QCat: Theory Based, examname: |---|, Exp: } |, | { Ans. c
|, |
, AMU-2014
,
, {|c|c|c|c|}
, |Species | ${l} { No of } |, | { Electron }$ | ${l} { No of } |, | { Protons }$ | ${l} { No of } |, | { neutrons }$ |, |${ }_{16}^{32} $ | 16 | 16 | 16 |, |${ }_{18}^{32} $ | 18 | 18 | 14 |, |${ }_{16}^{32} ^{2-}$ | $16+2 ^{-} 18$ | 16 | 16 |, |${ }_{18}^{32} ^2$ | $18+2 ^{-} 20$ | 18 | 14 |, 54. The magnitude of the charge on the electron is $4.8 \times 10^{-10}$ esu. What is the magnitude of the charge on the proton on the nucleus of helium atom?
,

1 ${ }_{16}^{32} \mathrm{~S}$
2 ${ }_{18}^{32} \mathrm{~S}$
3 ${ }_{16}^{32} \mathrm{~S}^{2-}$
4 ${ }_{18}^{32} \mathrm{~S}^{2-}$
Structure of Atom

238598 The atomic number of elements $A, B, C$, and $D$ are $Z-1, Z+1, Z+2$ respectively. If $B$ is a noble gas, choose the correct option.

1 (1) and (2)
2 (2) and (3)
3 (1) and (3)
4 (1), (2) and (3)
BCECE-2017
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Structure of Atom

238584 Increasing order (lowest first) for the values of e/m for electron (e), proton (p), neutron (n) and $\alpha$-particles is

1 e, p, n, $\alpha$
2 $\mathrm{n}, \alpha, \mathrm{p}, \mathrm{e}$
3 $\mathrm{n}, \mathrm{p}, \mathrm{e}, \alpha$
4 n, p, $\alpha, \mathrm{e}$
CG PET -2009
Structure of Atom

238607 The atomic number of an element is 8 . How many electrons will it gain to form a compound with sodium?

1 One
2 Two
3 Three
4 Four
Structure of Atom

238590 The correct symbol of the species with number of electrons, protons and neutrons as 18,16 and 16 respectively is
#[Qdiff: Very Easy, QCat: Theory Based, examname: |---|, Exp: } |, | { Ans. c
|, |
, AMU-2014
,
, {|c|c|c|c|}
, |Species | ${l} { No of } |, | { Electron }$ | ${l} { No of } |, | { Protons }$ | ${l} { No of } |, | { neutrons }$ |, |${ }_{16}^{32} $ | 16 | 16 | 16 |, |${ }_{18}^{32} $ | 18 | 18 | 14 |, |${ }_{16}^{32} ^{2-}$ | $16+2 ^{-} 18$ | 16 | 16 |, |${ }_{18}^{32} ^2$ | $18+2 ^{-} 20$ | 18 | 14 |, 54. The magnitude of the charge on the electron is $4.8 \times 10^{-10}$ esu. What is the magnitude of the charge on the proton on the nucleus of helium atom?
,

1 ${ }_{16}^{32} \mathrm{~S}$
2 ${ }_{18}^{32} \mathrm{~S}$
3 ${ }_{16}^{32} \mathrm{~S}^{2-}$
4 ${ }_{18}^{32} \mathrm{~S}^{2-}$
Structure of Atom

238598 The atomic number of elements $A, B, C$, and $D$ are $Z-1, Z+1, Z+2$ respectively. If $B$ is a noble gas, choose the correct option.

1 (1) and (2)
2 (2) and (3)
3 (1) and (3)
4 (1), (2) and (3)
BCECE-2017
Join With Us for More Updates
Structure of Atom

238584 Increasing order (lowest first) for the values of e/m for electron (e), proton (p), neutron (n) and $\alpha$-particles is

1 e, p, n, $\alpha$
2 $\mathrm{n}, \alpha, \mathrm{p}, \mathrm{e}$
3 $\mathrm{n}, \mathrm{p}, \mathrm{e}, \alpha$
4 n, p, $\alpha, \mathrm{e}$
CG PET -2009
Structure of Atom

238607 The atomic number of an element is 8 . How many electrons will it gain to form a compound with sodium?

1 One
2 Two
3 Three
4 Four
Structure of Atom

238590 The correct symbol of the species with number of electrons, protons and neutrons as 18,16 and 16 respectively is
#[Qdiff: Very Easy, QCat: Theory Based, examname: |---|, Exp: } |, | { Ans. c
|, |
, AMU-2014
,
, {|c|c|c|c|}
, |Species | ${l} { No of } |, | { Electron }$ | ${l} { No of } |, | { Protons }$ | ${l} { No of } |, | { neutrons }$ |, |${ }_{16}^{32} $ | 16 | 16 | 16 |, |${ }_{18}^{32} $ | 18 | 18 | 14 |, |${ }_{16}^{32} ^{2-}$ | $16+2 ^{-} 18$ | 16 | 16 |, |${ }_{18}^{32} ^2$ | $18+2 ^{-} 20$ | 18 | 14 |, 54. The magnitude of the charge on the electron is $4.8 \times 10^{-10}$ esu. What is the magnitude of the charge on the proton on the nucleus of helium atom?
,

1 ${ }_{16}^{32} \mathrm{~S}$
2 ${ }_{18}^{32} \mathrm{~S}$
3 ${ }_{16}^{32} \mathrm{~S}^{2-}$
4 ${ }_{18}^{32} \mathrm{~S}^{2-}$
Structure of Atom

238598 The atomic number of elements $A, B, C$, and $D$ are $Z-1, Z+1, Z+2$ respectively. If $B$ is a noble gas, choose the correct option.

1 (1) and (2)
2 (2) and (3)
3 (1) and (3)
4 (1), (2) and (3)
BCECE-2017
For More Updates join with Us
Structure of Atom

238584 Increasing order (lowest first) for the values of e/m for electron (e), proton (p), neutron (n) and $\alpha$-particles is

1 e, p, n, $\alpha$
2 $\mathrm{n}, \alpha, \mathrm{p}, \mathrm{e}$
3 $\mathrm{n}, \mathrm{p}, \mathrm{e}, \alpha$
4 n, p, $\alpha, \mathrm{e}$
CG PET -2009
Structure of Atom

238607 The atomic number of an element is 8 . How many electrons will it gain to form a compound with sodium?

1 One
2 Two
3 Three
4 Four
Structure of Atom

238590 The correct symbol of the species with number of electrons, protons and neutrons as 18,16 and 16 respectively is
#[Qdiff: Very Easy, QCat: Theory Based, examname: |---|, Exp: } |, | { Ans. c
|, |
, AMU-2014
,
, {|c|c|c|c|}
, |Species | ${l} { No of } |, | { Electron }$ | ${l} { No of } |, | { Protons }$ | ${l} { No of } |, | { neutrons }$ |, |${ }_{16}^{32} $ | 16 | 16 | 16 |, |${ }_{18}^{32} $ | 18 | 18 | 14 |, |${ }_{16}^{32} ^{2-}$ | $16+2 ^{-} 18$ | 16 | 16 |, |${ }_{18}^{32} ^2$ | $18+2 ^{-} 20$ | 18 | 14 |, 54. The magnitude of the charge on the electron is $4.8 \times 10^{-10}$ esu. What is the magnitude of the charge on the proton on the nucleus of helium atom?
,

1 ${ }_{16}^{32} \mathrm{~S}$
2 ${ }_{18}^{32} \mathrm{~S}$
3 ${ }_{16}^{32} \mathrm{~S}^{2-}$
4 ${ }_{18}^{32} \mathrm{~S}^{2-}$
Structure of Atom

238598 The atomic number of elements $A, B, C$, and $D$ are $Z-1, Z+1, Z+2$ respectively. If $B$ is a noble gas, choose the correct option.

1 (1) and (2)
2 (2) and (3)
3 (1) and (3)
4 (1), (2) and (3)
BCECE-2017