Quiz for Periodicity

Q1: What property increases across a period from left to right?

A. Atomic radius B. Electronegativity C. Metallic character D. Atomic mass

Q2: What happens to atomic radius as you move down a group?

A. Decreases B. Increases C. Remains constant D. First decreases then increases

Q3: Which element has the highest ionization energy in Period 2?

A. Lithium B. Beryllium C. Fluorine D. Neon

Q4: Which of the following decreases down a group?

A. Electronegativity B. Atomic size C. Metallic character D. Number of protons

Q5: The metallic character in the periodic table?

A. Increases across a period B. Decreases down a group C. Decreases across a period D. Remains constant

Q6: Which is the most metallic element?

A. Cesium B. Chlorine C. Neon D. Fluorine

Q7: Ionization energy is the energy required to?

A. Add an electron B. Remove an electron C. Remove a neutron D. Add a proton

Q8: Electron affinity measures?

A. Energy change when atom gains an electron B. Energy required to remove electron C. Energy change when atom loses proton D. Energy released in nuclear decay

Q9: Which element has the smallest atomic radius in Period 3?

A. Sodium B. Magnesium C. Chlorine D. Argon

Q10: Which property is the tendency of an atom to attract shared electrons?

A. Electronegativity B. Ionization energy C. Atomic radius D. Electron affinity

Q11: What causes the decrease in atomic radius across a period?

A. Increase in nuclear charge B. Decrease in nuclear charge C. Increase in shielding D. Increase in neutrons

Q12: Which of the following increases across a period?

A. Metallic character B. Atomic radius C. Electronegativity D. Atomic mass

Q13: The ionization energy of noble gases is generally?

A. Very low B. High C. Moderate D. Zero

Q14: Which factor mainly affects the periodic trends?

A. Number of neutrons B. Effective nuclear charge C. Number of isotopes D. Atomic mass

Q15: Which element has the lowest electronegativity?

A. Francium B. Fluorine C. Oxygen D. Nitrogen

Q16: The trend of electron affinity across a period is?

A. Increasing B. Decreasing C. No change D. Random

Q17: Which element has the maximum electron affinity?

A. Chlorine B. Sodium C. Potassium D. Calcium

Q18: Atomic size generally increases due to?

A. Increase in proton number B. Increase in electron shielding C. Decrease in electron shells D. Decrease in neutrons