307128 Select the correct statement from the following:
A. Atoms of all elements are composed of two fundamental particles.
B. The mass of the electron is
\(9.10939 \times 10^{-31} \mathrm{~kg}\)
C. All the isotopes of a given elements 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.

307129 \(\mathrm{\left({ }_{32} \mathrm{Ge}^{76},{ }_{34} \mathrm{Se}^{76}\right)}\) and \(\mathrm{\left({ }_{14} \mathrm{Si}^{30},{ }_{16} \mathrm{~S}^{32}\right)}\) are the examples of

307130 An isotone of \(_{{\rm{32}}}^{{\rm{76}}}{\rm{Ge}}\) is
\({\rm{(i)}}\,\,_{{\rm{32}}}^{{\rm{77}}}{\rm{Ge}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\rm{(ii)}}\,\,_{{\rm{33}}}^{{\rm{77}}}{\rm{As}}\)
\({\rm{(iii)}}\,\,_{{\rm{34}}}^{{\rm{77}}}{\rm{Se}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\rm{(iv)}}\,\,_{{\rm{34}}}^{{\rm{78}}}{\rm{Se}}\)

307115 Consider the following statements regarding the
Thomson’s model of atom.
I. The electrons are embedded in the nucleus, so as to given the most stable electrostatic arrangement.
II. The model was able to explain the overall neutrality of the atom.
III. The different name of this model are plum pudding model, raisin pudding model or watermelon models.
Choose the option with all the correct statements.

307128 Select the correct statement from the following:
A. Atoms of all elements are composed of two fundamental particles.
B. The mass of the electron is
\(9.10939 \times 10^{-31} \mathrm{~kg}\)
C. All the isotopes of a given elements 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.

307129 \(\mathrm{\left({ }_{32} \mathrm{Ge}^{76},{ }_{34} \mathrm{Se}^{76}\right)}\) and \(\mathrm{\left({ }_{14} \mathrm{Si}^{30},{ }_{16} \mathrm{~S}^{32}\right)}\) are the examples of

307130 An isotone of \(_{{\rm{32}}}^{{\rm{76}}}{\rm{Ge}}\) is
\({\rm{(i)}}\,\,_{{\rm{32}}}^{{\rm{77}}}{\rm{Ge}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\rm{(ii)}}\,\,_{{\rm{33}}}^{{\rm{77}}}{\rm{As}}\)
\({\rm{(iii)}}\,\,_{{\rm{34}}}^{{\rm{77}}}{\rm{Se}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\rm{(iv)}}\,\,_{{\rm{34}}}^{{\rm{78}}}{\rm{Se}}\)

307115 Consider the following statements regarding the
Thomson’s model of atom.
I. The electrons are embedded in the nucleus, so as to given the most stable electrostatic arrangement.
II. The model was able to explain the overall neutrality of the atom.
III. The different name of this model are plum pudding model, raisin pudding model or watermelon models.
Choose the option with all the correct statements.

307128 Select the correct statement from the following:
A. Atoms of all elements are composed of two fundamental particles.
B. The mass of the electron is
\(9.10939 \times 10^{-31} \mathrm{~kg}\)
C. All the isotopes of a given elements 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.

307129 \(\mathrm{\left({ }_{32} \mathrm{Ge}^{76},{ }_{34} \mathrm{Se}^{76}\right)}\) and \(\mathrm{\left({ }_{14} \mathrm{Si}^{30},{ }_{16} \mathrm{~S}^{32}\right)}\) are the examples of

307130 An isotone of \(_{{\rm{32}}}^{{\rm{76}}}{\rm{Ge}}\) is
\({\rm{(i)}}\,\,_{{\rm{32}}}^{{\rm{77}}}{\rm{Ge}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\rm{(ii)}}\,\,_{{\rm{33}}}^{{\rm{77}}}{\rm{As}}\)
\({\rm{(iii)}}\,\,_{{\rm{34}}}^{{\rm{77}}}{\rm{Se}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\rm{(iv)}}\,\,_{{\rm{34}}}^{{\rm{78}}}{\rm{Se}}\)

307115 Consider the following statements regarding the
Thomson’s model of atom.
I. The electrons are embedded in the nucleus, so as to given the most stable electrostatic arrangement.
II. The model was able to explain the overall neutrality of the atom.
III. The different name of this model are plum pudding model, raisin pudding model or watermelon models.
Choose the option with all the correct statements.

307128 Select the correct statement from the following:
A. Atoms of all elements are composed of two fundamental particles.
B. The mass of the electron is
\(9.10939 \times 10^{-31} \mathrm{~kg}\)
C. All the isotopes of a given elements 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.

307129 \(\mathrm{\left({ }_{32} \mathrm{Ge}^{76},{ }_{34} \mathrm{Se}^{76}\right)}\) and \(\mathrm{\left({ }_{14} \mathrm{Si}^{30},{ }_{16} \mathrm{~S}^{32}\right)}\) are the examples of

307130 An isotone of \(_{{\rm{32}}}^{{\rm{76}}}{\rm{Ge}}\) is
\({\rm{(i)}}\,\,_{{\rm{32}}}^{{\rm{77}}}{\rm{Ge}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\rm{(ii)}}\,\,_{{\rm{33}}}^{{\rm{77}}}{\rm{As}}\)
\({\rm{(iii)}}\,\,_{{\rm{34}}}^{{\rm{77}}}{\rm{Se}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\rm{(iv)}}\,\,_{{\rm{34}}}^{{\rm{78}}}{\rm{Se}}\)

307115 Consider the following statements regarding the
Thomson’s model of atom.
I. The electrons are embedded in the nucleus, so as to given the most stable electrostatic arrangement.
II. The model was able to explain the overall neutrality of the atom.
III. The different name of this model are plum pudding model, raisin pudding model or watermelon models.
Choose the option with all the correct statements.