The elements with atomic numbers 9, 17, 35, 53, 85 are all
A. Heavy metals
B. Noble gases
C. Light metals
D. Halogens
Answer: Option D
Solution(By Examveda Team)
Halogens are the elements which belong to Group 17 of the periodic table. The atomic number of the elements present in this group are 9, 17, 35, 53 and 85. The elements are Fluorine, Chlorine, Bromine, Iodine and Astatine.This Question Belongs to General Knowledge >> Chemistry
Related Questions on Chemistry
Which of the following phenomenon is considered responsible for Global Warming?
A. Greenhouse effect
B. Fire in coal mines
C. Dry farming
D. Monsoon
E. Trade winds
The nucleus of an atom consists of
A. electrons and neutrons
B. electrons and protons
C. protons and neutrons
D. All of the above
The number of moles of solute present in 1 kg of a solvent is called its
A. molality
B. molarity
C. normality
D. formality
Join The Discussion