Give an example for malleable element?
Boron
Hydrogen
Gold
Sulphur
The positively charged ion?
Proton
Cation
Anion
Electron
What is the molecular representation of Chlorine?
Cl
Cl2
Cl2+
Give an example of metalloids?
Zinc
Nitrogen
Germanium
Calcium
What is the symbolic representation of cadmium
CD
Ca
Cd
CA
What is called the core of an atom?
Neutron
Nucleus
Find out the formula of Sulphuric acid?
H2SO4
H3SO4
H2SO42-
H3SO43-
What is the unit of measurement of an atom?
Gram unit
Milligram unit
Atomic mass unit
Molecular mass unit
Negatively Charged ion?
What is the valency of Helium
2
4
3
0