Give an example of metalloids?
Zinc
Nitrogen
Germanium
Calcium
What is the unit of measurement of an atom?
Gram unit
Milligram unit
Atomic mass unit
Molecular mass unit
What is the name of the common salt?
Magnesium Chloride
Sodium Chloride
Calcium Chloride
Potassium Chloride
What is the name of group 18 elements?
Representative elements
Main group elements
Noble gases
Metalloids
What is called the core of an atom?
Neutron
Electron
Proton
Nucleus
Give an example for malleable element?
Boron
Hydrogen
Gold
Sulphur
Negatively Charged ion?
Anion
Cation
What is the symbolic representation of cadmium
CD
Ca
Cd
CA
What is the valency of Helium
2
4
3
0
