KPK 2nd Year Chemistry — MCQs, Short & Long Questions

Period 3 elements extend from:

Which element of period 3 is a noble gas?

The general electronic configuration of period 3 elements is:

Which element of period 3 shows amphoteric oxide?

Which oxide is strongly basic in nature?

Which element forms a giant covalent structure?

Which chloride is covalent and liquid at room temperature?

Which element has the highest electronegativity in period 3?

Electrical conductivity in period 3 metals is due to:

Which oxide reacts with both acids and bases?

Which element does not react with water?

Sodium reacts with cold water to produce:

Magnesium reacts slowly with cold water because of:

Which compound hydrolyses in water to give acidic solution?

Which oxide is acidic in nature?

Trend of atomic radius across period 3 is:

Which element has the smallest atomic radius in period 3?

Ionization energy across period 3 generally:

Which element has the highest first ionization energy?

Sodium oxide is classified as:

Chemistry