Page Number- 2

(1) The Maximum Number of unpaired electrons present in a Chromium atom is??

  • A. 2
  • B. 3
  • C. 5
  • D. 6
0
(d) 6

(2) The Number of electrons present in the p-subshell of the chlorine atom is??

  • A. 7
  • B. 14
  • C. 8
  • D. 11
0
(d) 11

(3) The maximum number of electrons present in an f-orbital is ?

  • A. 2
  • B. 15
  • C. 14
  • D. 7
0
(a) 2

(4) The wave nature of electromagnetic radiation is explained by which experiment??

  • A. Interference
  • B. Photoelectric effect
  • C. Black body radiation
  • D. All of the above
0
(a) Interference

(5) The Element having atomic Number 29 belongs to which series??

  • A. 3d series
  • B. 4d series
  • C. 4f inner transition series
  • D. 5f inner transition series
0
(a) 3d series

(6) Which electron has the maximum negative electron gain enthalpy??

  • A. F
  • B. O
  • C. N
  • D. Cl
0
(d) Cl

(7) Which element is EKa-aluminium??

  • A. B
  • B. Si
  • C. Ga
  • D. Ge
0
(c) Ga

(8) An element with an atomic number belongs??

  • A. 15th group, 2nd period
  • B. 15th group, 3rd period
  • C. 13th group, 2nd period
  • D. 13th group, 3rd period
0
(b) 15th group, 3rd period

(9) The 4th period of the periodic table contains?

  • A. 8 element
  • B. 18 element
  • C. 32 element
  • D. 58 element
0
(b) 18 element

(10) Which element is a lanthanoid element??

  • A. Te
  • B. Ti
  • C. Tm
  • D. Ta
0
(c) Tm
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