Atomic structure and bonding - Jamb Chemistry Past Questions and Answers

Question 196:

• JAMB 2018

The radio isotope used in industrial radiography for the rapid checking of faults in welds and casting is?

A. Carbon-14
B. Phosphorus-32
C. Cobalt
D. Iodine-131

Question 197:

• JAMB 2018

An element X forms the following compounds with chlorine; XCl\(_4\), XCl\(_3\), XCl\(_2\). This illustrates the

A. Law of multiple proportions
B. Law of chemical proportions
C. Law of simple proportions
D. Law of conservation of mass

Question 198:

• JAMB 2018

The elements in the periodic table are listed in order of increasing

A. Relative atomic number
B. Atomic mass
C. Relative isotopic mass
D. Nuclear charge

Question 199:

• JAMB 2019

Which of the following statements does not show Rutherford's account of Nuclear Theory? An atom contains a region

A. Which contains protons and neutrons
B. Which is positively charged
C. Which is massive and can cause deflection of a few projectiles
D. Which is very large and in which close to 98% of projectiles pass undeflected

Question 200:

• JAMB 2019

Elements X and Y have electronic configurations 1s\(^2\)2s\(^2\)2p\(^4\) and 1s\(^2\)2s\(^2\)2p\(^6\)3s\(^2\)3p\(^1\) respectively. When they combine, the formula of the compound formed is

A. XY
B. X\(_2\)Y
C. Y\(_2\)X\(_3\)
D. X\(_2\)Y\(_3\)