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

238543 A dinegative ion of the element $X$ consists of 10 electrons and 8 neutrons. A dipositive ion of the element $Y$ consists of 12 protons. The number of neutrons in $Y$ is 1.5 times the number of electrons in atom $X$. Then the mass numbers of $X$ and $Y$ would be in the ratio

1 $1: 2$
2 $2: 3$
3 $3: 2$
4 $2: 5$
5 $1: 3$
Kerala CEE -03.07.2022
Structure of Atom

238544 The oxide which contains an odd electron at the nitrogen atom is

1 $\mathrm{N}_2 \mathrm{O}$
2 $\mathrm{NO}_2$
3 $\mathrm{N}_2 \mathrm{O}_3$
4 $\mathrm{N}_2 \mathrm{O}_5$
JEE Main-26.06.2022
Structure of Atom

238547 The difference between number of Neutrons and Protons is positive for :

1 Hydrogen atom
2 Deuterium atom
3 Tritium atom
4 None of these
MPPET-2013
Structure of Atom

238549 Which one of the following is not an isolectronic pair ?

1 $\mathrm{Mg}^{2+}, \mathrm{C}^{4-}$
2 $\mathrm{N}^{3-}, \mathrm{O}^{2-}$
3 $\mathrm{N}^{2-}, \mathrm{O}^{2-}$
4 $\mathrm{F}^{-}, \mathrm{Al}^{3+}$
AP-EAMCET-2002
Structure of Atom

238550 Assertion (A) : Equal moles of different substances contain same number of constituent particles.
Reason (R) : Equal weights of different substances contain the same number of constituent particles.
The correct answer is :

1 Both (A) and (R) are true and (R) is the correct explanation of $(A)$
2 Both (A) and (R) are true, but (R) is not the correct explanation of $(A)$
3 (A) is true, but (R) is false
4 (A) is false, but (R) is true
AP-EAMCET-2007
NEET DIGITAL LIBRARY
Structure of Atom

238543 A dinegative ion of the element $X$ consists of 10 electrons and 8 neutrons. A dipositive ion of the element $Y$ consists of 12 protons. The number of neutrons in $Y$ is 1.5 times the number of electrons in atom $X$. Then the mass numbers of $X$ and $Y$ would be in the ratio

1 $1: 2$
2 $2: 3$
3 $3: 2$
4 $2: 5$
5 $1: 3$
Kerala CEE -03.07.2022
Structure of Atom

238544 The oxide which contains an odd electron at the nitrogen atom is

1 $\mathrm{N}_2 \mathrm{O}$
2 $\mathrm{NO}_2$
3 $\mathrm{N}_2 \mathrm{O}_3$
4 $\mathrm{N}_2 \mathrm{O}_5$
JEE Main-26.06.2022
Structure of Atom

238547 The difference between number of Neutrons and Protons is positive for :

1 Hydrogen atom
2 Deuterium atom
3 Tritium atom
4 None of these
MPPET-2013
Structure of Atom

238549 Which one of the following is not an isolectronic pair ?

1 $\mathrm{Mg}^{2+}, \mathrm{C}^{4-}$
2 $\mathrm{N}^{3-}, \mathrm{O}^{2-}$
3 $\mathrm{N}^{2-}, \mathrm{O}^{2-}$
4 $\mathrm{F}^{-}, \mathrm{Al}^{3+}$
AP-EAMCET-2002
Structure of Atom

238550 Assertion (A) : Equal moles of different substances contain same number of constituent particles.
Reason (R) : Equal weights of different substances contain the same number of constituent particles.
The correct answer is :

1 Both (A) and (R) are true and (R) is the correct explanation of $(A)$
2 Both (A) and (R) are true, but (R) is not the correct explanation of $(A)$
3 (A) is true, but (R) is false
4 (A) is false, but (R) is true
AP-EAMCET-2007
Join With Us for More Updates
Structure of Atom

238543 A dinegative ion of the element $X$ consists of 10 electrons and 8 neutrons. A dipositive ion of the element $Y$ consists of 12 protons. The number of neutrons in $Y$ is 1.5 times the number of electrons in atom $X$. Then the mass numbers of $X$ and $Y$ would be in the ratio

1 $1: 2$
2 $2: 3$
3 $3: 2$
4 $2: 5$
5 $1: 3$
Kerala CEE -03.07.2022
Structure of Atom

238544 The oxide which contains an odd electron at the nitrogen atom is

1 $\mathrm{N}_2 \mathrm{O}$
2 $\mathrm{NO}_2$
3 $\mathrm{N}_2 \mathrm{O}_3$
4 $\mathrm{N}_2 \mathrm{O}_5$
JEE Main-26.06.2022
Structure of Atom

238547 The difference between number of Neutrons and Protons is positive for :

1 Hydrogen atom
2 Deuterium atom
3 Tritium atom
4 None of these
MPPET-2013
Structure of Atom

238549 Which one of the following is not an isolectronic pair ?

1 $\mathrm{Mg}^{2+}, \mathrm{C}^{4-}$
2 $\mathrm{N}^{3-}, \mathrm{O}^{2-}$
3 $\mathrm{N}^{2-}, \mathrm{O}^{2-}$
4 $\mathrm{F}^{-}, \mathrm{Al}^{3+}$
AP-EAMCET-2002
Structure of Atom

238550 Assertion (A) : Equal moles of different substances contain same number of constituent particles.
Reason (R) : Equal weights of different substances contain the same number of constituent particles.
The correct answer is :

1 Both (A) and (R) are true and (R) is the correct explanation of $(A)$
2 Both (A) and (R) are true, but (R) is not the correct explanation of $(A)$
3 (A) is true, but (R) is false
4 (A) is false, but (R) is true
AP-EAMCET-2007
For More Updates join with Us
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Structure of Atom

238543 A dinegative ion of the element $X$ consists of 10 electrons and 8 neutrons. A dipositive ion of the element $Y$ consists of 12 protons. The number of neutrons in $Y$ is 1.5 times the number of electrons in atom $X$. Then the mass numbers of $X$ and $Y$ would be in the ratio

1 $1: 2$
2 $2: 3$
3 $3: 2$
4 $2: 5$
5 $1: 3$
Kerala CEE -03.07.2022
Structure of Atom

238544 The oxide which contains an odd electron at the nitrogen atom is

1 $\mathrm{N}_2 \mathrm{O}$
2 $\mathrm{NO}_2$
3 $\mathrm{N}_2 \mathrm{O}_3$
4 $\mathrm{N}_2 \mathrm{O}_5$
JEE Main-26.06.2022
Structure of Atom

238547 The difference between number of Neutrons and Protons is positive for :

1 Hydrogen atom
2 Deuterium atom
3 Tritium atom
4 None of these
MPPET-2013
Structure of Atom

238549 Which one of the following is not an isolectronic pair ?

1 $\mathrm{Mg}^{2+}, \mathrm{C}^{4-}$
2 $\mathrm{N}^{3-}, \mathrm{O}^{2-}$
3 $\mathrm{N}^{2-}, \mathrm{O}^{2-}$
4 $\mathrm{F}^{-}, \mathrm{Al}^{3+}$
AP-EAMCET-2002
Structure of Atom

238550 Assertion (A) : Equal moles of different substances contain same number of constituent particles.
Reason (R) : Equal weights of different substances contain the same number of constituent particles.
The correct answer is :

1 Both (A) and (R) are true and (R) is the correct explanation of $(A)$
2 Both (A) and (R) are true, but (R) is not the correct explanation of $(A)$
3 (A) is true, but (R) is false
4 (A) is false, but (R) is true
AP-EAMCET-2007
NEET DIGITAL LIBRARY
Structure of Atom

238543 A dinegative ion of the element $X$ consists of 10 electrons and 8 neutrons. A dipositive ion of the element $Y$ consists of 12 protons. The number of neutrons in $Y$ is 1.5 times the number of electrons in atom $X$. Then the mass numbers of $X$ and $Y$ would be in the ratio

1 $1: 2$
2 $2: 3$
3 $3: 2$
4 $2: 5$
5 $1: 3$
Kerala CEE -03.07.2022
Structure of Atom

238544 The oxide which contains an odd electron at the nitrogen atom is

1 $\mathrm{N}_2 \mathrm{O}$
2 $\mathrm{NO}_2$
3 $\mathrm{N}_2 \mathrm{O}_3$
4 $\mathrm{N}_2 \mathrm{O}_5$
JEE Main-26.06.2022
Structure of Atom

238547 The difference between number of Neutrons and Protons is positive for :

1 Hydrogen atom
2 Deuterium atom
3 Tritium atom
4 None of these
MPPET-2013
Structure of Atom

238549 Which one of the following is not an isolectronic pair ?

1 $\mathrm{Mg}^{2+}, \mathrm{C}^{4-}$
2 $\mathrm{N}^{3-}, \mathrm{O}^{2-}$
3 $\mathrm{N}^{2-}, \mathrm{O}^{2-}$
4 $\mathrm{F}^{-}, \mathrm{Al}^{3+}$
AP-EAMCET-2002
Structure of Atom

238550 Assertion (A) : Equal moles of different substances contain same number of constituent particles.
Reason (R) : Equal weights of different substances contain the same number of constituent particles.
The correct answer is :

1 Both (A) and (R) are true and (R) is the correct explanation of $(A)$
2 Both (A) and (R) are true, but (R) is not the correct explanation of $(A)$
3 (A) is true, but (R) is false
4 (A) is false, but (R) is true
AP-EAMCET-2007