The periodic table and periodicity of elements - Jamb Chemistry Past Questions and Answers

Question 41:

• JAMB 2015

S block elements of the periodic table one made up of

A. Groups 1, 2, 3
B. Groups 1, and 2
C. Group 3
D. Group 3 to 7

Question 42:

• JAMB 2016

Which of the following statements is correct about the periodic table?

A. Elements in the same group have the same number of electron shells
B. The non-metallic properties of the elements tend to decrease across each period
C. Elements in the same period have the same number of valence electrons
D. The valence electrons of the elements increase progressively across the period

Question 43:

• JAMB 2018

Which of the following statements is correct about the periodic table?

A. Elements in the same period have the same number of valence electrons
B. The valence electrons of the elements in the same period increase progressively across the period
C. Elements in the same group have the same number of electron shells
D. The non-metallic Properties of the elements tend to decrease across each period

Question 44:

• JAMB 2018

The periodic classification is an arrangement of the elements

A. Atomic weights
B. Isotopic weights
C. Molecular weights
D. Atomic numbers

Question 45:

• JAMB 2019

Which of the following properties increases from left to right along the period but decreases down the group in the Periodic Table?
i. Atomic Number ii. Ionization energy iii. Metallic character iv. Electron affinity

A. Ii and iii only
B. Ii and iv only
C. Iii and iv only
D. I and ii only