An element having the atomic number 17 will resemble which of the following elements having atomic number as given below?
A
33
B
35
C
18
D
19
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
The Group 7 elements are called the halogens. They are placed in the vertical column, second from the right, in the periodic table .
Chlorine (17), bromine(35) and iodine(53) are the first three of the Group 7 elements.
Source: WAEC / JAMB / NECO Classroom Archive (Record #60515)