A. Cl
B. Br
C. I
D. F
Submitted by: Muhammad Ali Kunbhar
Related Mcqs:
- When an electron is moving with velocity of 2.188 x 106 ms-1 in the first orbit of Bohrs model of hydrogen. The de Broglie wavelength of electron is______________?
A. 0.33 nm
B. 0.34 nm
C. 0.35 nm
D. 0.36 nm - An element having low value of ionization energy and low value of electron affinity is likely to belong to__________________?
A. Group IA
B. Group IB
C. Group VIIA
D. Group VIII - The maximum number of electron in a sub shell with ? = 3fs______________?
A. 6
B. 10
C. 14
D. 18 - Many properties of an element and its compounds can be predicted from the position of the element in the periodic table. What property could not be predicted in this way ?
A. The nature of its oxides
B. The charge on its ions
C. The formula of its oxide
D. Its number of isotopes - Which of the following will have highest value of electron affinity_________________?
A. F
B. Cl
C. Br
D. I - The atomic number of an element having maximum number of unpaired electrons in p-subshell is_______________?
A. 7
B. 10
C. 12
D. 16 - Wavelength of electron was verified by_________________?
A. Moseley
B. Davisson and Germer
C. Einstein
D. Roentgen - Unpaired electron in a molecule gives ______________ character ?
A. Ferromagnetic
B. Paramagnetic
C. Diamagnetism
D. Both A & B - Higher value of electron affinity means__________________?
A. Atom will lose electron easily
B. Atom will gain electron easily
C. Atom may form di-positive ion
D. The reason is unknown - The halogen having highest electron affinity is_____________________?
A. Fluorine
B. Chlorine
C. Bromine
D. Iodine
