How many stable elements are there in nature?
118
83
28
115
What is called the building blocks of matter?
Particles
Electrons
Neutrons
Elements
Name the metal which is liquid at room temperature?
Bromine
Barium
Iodine
Flourine
The atom with same atomic number but different mass number?
Element
Mono atomic
Isotope
Cations
Give an example for malleable element?
Boron
Hydrogen
Gold
Sulphur
How many elements are there in nature?
108
117
93
What is the symbolic representation of cadmium
CD
Ca
Cd
CA
The positively charged ion?
Proton
Cation
Anion
Electron
What is the name of group 18 elements?
Representative elements
Main group elements
Noble gases
Metalloids
