Atomic structure and bonding - Jamb Chemistry Past Questions and Answers

Question 156:

• JAMB 2012

A hydrogen atom which has lost an electron contains

A. One proton only
B. One neutron only
C. One proton and one neutron
D. One proton, one electron and one neutron

Question 157:

• JAMB 2012

The electronic configuration of Mg ²⁺ is

A. Ls ²2s ²2P ⁶3s²3P²
B. Is²2s²2P⁶
C. Ls²2s²2p⁶3s²
D. Ls²2s²2P⁴

Question 158:

• JAMB 2012

Group VII elements are

A. Monoatmic
B. Good oxidizing agents
C. Highly electropositive
D. Electron donors

Question 159:

• JAMB 2012

A common characteristic between zinc and the other transition elements is the ability to

A. Have variable oxidation states
B. From complex ions
C. Act as a catalyst
D. From coloured ions

Question 160:

• JAMB 2013

The shape of the carbon (lV) oxide molecule is

A. Pyramidal
B. Linear
C. Angular
D. Tetrahedral