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34. Fill in the blanks in the following statements : (a) Rutherford’s a -particle scattering experiment led to the discovery of the . (b) Isotopes have same but different . (c) Neon and chlorine have atomic numbers 10 and 17 respectively. Their valencies will be and respectively. (d) The electronic configuration of silicon is and that of sulphur is

34. Fill in the blanks in the following statements :
(a) Rutherford’s a -particle scattering experiment led to the discovery of the .
(b) Isotopes have same but different
.
(c) Neon and chlorine have atomic numbers 10 and 17 respectively. Their valencies will be and
respectively.
(d) The electronic configuration of silicon is and that of sulphur is

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 6228 Points
2 months ago
(a) nucleus (b) same atomic numbers, mass numbers (c) 0 and –1 (d) Si = 2,8,4 and S = 2,8,6

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