A. F
B. Cl
C. Br
D. I
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 halogen having highest electron affinity is_____________________?
A. Fluorine
B. Chlorine
C. Bromine
D. Iodine - The value of e/m ratio of electron is________________?
A. 6.02 x 1023 C/kg
B. 1.7588 x 1020 C/kg
C. 9.1095 x 10-31 C/kg
D. 1.7588 x 1011 C/kg - 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 absolute value of charge on electron was determined by ________ ?
A. J.J.Thomson
B. Chadwick
C. Rutherford
D. Robert MillikanSubmitted by: Rashid Mehmood
- Which of the following element has the maximum electron affinity_____?
A. Cl
B. Br
C. I
D. FSubmitted by: Muhammad Ali Kunbhar
- Energy required to remove electron from an atom______________?
A. Ionization potential
B. Electronegativity
C. Electron affinity
D. Activation energy - Sharing of 1 electron pair by one specie forms_________________?
A. Single covalent bond
B. Hydrogen bond
C. Double covalent bond
D. Coordinate covalent bond - Unpaired electron in a molecule gives ______________ character ?
A. Ferromagnetic
B. Paramagnetic
C. Diamagnetism
D. Both A & B