Periodic Trends MCQ (Multiple Choice Questions) PDF - 166

MCQ 826: The radius of positive ion is called

1. Ionic radii
2. Atomic radii
3. Cationic radii
4. Covalent radii

MCQ 827: The charge on an atom is called its

1. Boiling point
2. Melting point
3. Oxidation state
4. Metallic character

MCQ 828: A substance which changes the rate of reaction, but remains chemically unchanged at the end of the reaction is called

1. Reactant
2. Product
3. Catalyst
4. Activated complex

MCQ 829: An atom gains electron to becomes

1. Ion
2. Cation
3. Anion
4. Radical

MCQ 830: PAN, Ozone, sulphuric acid, peroxybenzol, aldehydes and ketones are called

1. Primary pollutants
2. Secondary pollutants
3. Major pollutants
4. Minor pollutants