Find out the formula of Sulphuric acid?
H2SO4
H3SO4
H2SO42-
H3SO43-
The atom with same atomic number but different mass number?
Element
Mono atomic
Isotope
Cations
What is called the building blocks of matter?
Particles
Electrons
Neutrons
Elements
The positively charged ion?
Proton
Cation
Anion
Electron
What is the smallest part of an element?
Atom
Molecule
Particle
What is the unit of measurement of an atom?
Gram unit
Milligram unit
Atomic mass unit
Molecular mass unit
How many elements are there in nature?
108
117
118
93
What is called the core of an atom?
Neutron
Nucleus
What is the symbolic representation of cadmium
CD
Ca
Cd
CA
What is the valency of Helium
2
4
3
0