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Structure of Atom

9723 The nitrogen atom has $7$ protons and $7$ electrons, the nitride ion $(N^{3 -})$ will have

1

7

protons and

10

electrons

2

4

protons and

7

electrons

3

4

protons and

10

electrons

4

10

protons and

7

electrons

Explanation:

(a) No. of $P = Z = 7;$ No. of electrons in $N^{3 -} = 7 + 3 = 10.$

Structure of Atom

9724 Number of neutrons in heavy hydrogen atom is

1

0

2

1

3

2

4

3

Explanation:

(b) Heavy hydrogen is $_{1}^{2} D$ . Number of neutrons $= 1$

Structure of Atom

9725 Which of the following is always a whole number

1 Atomic weight

2 Atomic radii

3 Equivalent weight

4 Atomic number

Structure of Atom

9726 Rutherford's experiment on scattering of particles showed for the first time that the atom has

1 Electrons

2 Protons

3 Nucleus

4 Neutrons

Explanation:

Rutherford's experiment on scattering of $α$ -particles showed for the first time that the atom has nucleus. He observed that the positively charged $α$ -particles were repelled and deflected by the positive charges in the atom. Rutherford's named this positively charged portion of atom as nucleus.

Structure of Atom

9723 The nitrogen atom has $7$ protons and $7$ electrons, the nitride ion $(N^{3 -})$ will have

1

7

protons and

10

electrons

2

4

protons and

7

electrons

3

4

protons and

10

electrons

4

10

protons and

7

electrons

Explanation:

(a) No. of $P = Z = 7;$ No. of electrons in $N^{3 -} = 7 + 3 = 10.$

Structure of Atom

9724 Number of neutrons in heavy hydrogen atom is

1

0

2

1

3

2

4

3

Explanation:

(b) Heavy hydrogen is $_{1}^{2} D$ . Number of neutrons $= 1$

Structure of Atom

9725 Which of the following is always a whole number

1 Atomic weight

2 Atomic radii

3 Equivalent weight

4 Atomic number

Structure of Atom

9726 Rutherford's experiment on scattering of particles showed for the first time that the atom has

1 Electrons

2 Protons

3 Nucleus

4 Neutrons

Explanation:

Rutherford's experiment on scattering of $α$ -particles showed for the first time that the atom has nucleus. He observed that the positively charged $α$ -particles were repelled and deflected by the positive charges in the atom. Rutherford's named this positively charged portion of atom as nucleus.

Structure of Atom

9723 The nitrogen atom has $7$ protons and $7$ electrons, the nitride ion $(N^{3 -})$ will have

1

7

protons and

10

electrons

2

4

protons and

7

electrons

3

4

protons and

10

electrons

4

10

protons and

7

electrons

Explanation:

(a) No. of $P = Z = 7;$ No. of electrons in $N^{3 -} = 7 + 3 = 10.$

Structure of Atom

9724 Number of neutrons in heavy hydrogen atom is

1

0

2

1

3

2

4

3

Explanation:

(b) Heavy hydrogen is $_{1}^{2} D$ . Number of neutrons $= 1$

Structure of Atom

9725 Which of the following is always a whole number

1 Atomic weight

2 Atomic radii

3 Equivalent weight

4 Atomic number

Structure of Atom

9726 Rutherford's experiment on scattering of particles showed for the first time that the atom has

1 Electrons

2 Protons

3 Nucleus

4 Neutrons

Explanation:

Rutherford's experiment on scattering of $α$ -particles showed for the first time that the atom has nucleus. He observed that the positively charged $α$ -particles were repelled and deflected by the positive charges in the atom. Rutherford's named this positively charged portion of atom as nucleus.

Structure of Atom

9723 The nitrogen atom has $7$ protons and $7$ electrons, the nitride ion $(N^{3 -})$ will have

1

7

protons and

10

electrons

2

4

protons and

7

electrons

3

4

protons and

10

electrons

4

10

protons and

7

electrons

Explanation:

(a) No. of $P = Z = 7;$ No. of electrons in $N^{3 -} = 7 + 3 = 10.$

Structure of Atom

9724 Number of neutrons in heavy hydrogen atom is

1

0

2

1

3

2

4

3

Explanation:

(b) Heavy hydrogen is $_{1}^{2} D$ . Number of neutrons $= 1$

Structure of Atom

9725 Which of the following is always a whole number

1 Atomic weight

2 Atomic radii

3 Equivalent weight

4 Atomic number

Structure of Atom

9726 Rutherford's experiment on scattering of particles showed for the first time that the atom has

1 Electrons

2 Protons

3 Nucleus

4 Neutrons

Explanation:

Rutherford's experiment on scattering of $α$ -particles showed for the first time that the atom has nucleus. He observed that the positively charged $α$ -particles were repelled and deflected by the positive charges in the atom. Rutherford's named this positively charged portion of atom as nucleus.

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