Quiz for Periodic Table & Periodicity

Q1: Who proposed the modern periodic table?

A. Dmitri Mendeleev B. John Dalton C. J.J. Thomson D. Ernest Rutherford

Q2: What property increases across a period?

A. Electronegativity B. Atomic radius C. Metallic character D. Ionization energy

Q3: Which element has the highest electronegativity?

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

Q4: Atomic radius generally:

A. Decreases across a period, increases down a group B. Increases across a period, decreases down a group C. Increases across and down D. Decreases across and down

Q5: Ionization energy is:

A. Energy required to remove an electron B. Energy released when adding an electron C. Energy of nucleus D. Energy of protons

Q6: Which group is known as noble gases?

A. Group 18 B. Group 1 C. Group 17 D. Group 16

Q7: Which element is a metalloid?

A. Silicon B. Sodium C. Oxygen D. Phosphorus

Q8: Electron affinity generally:

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

Q9: What is the period number of Oxygen?

A. 2 B. 3 C. 4 D. 1

Q10: Which element has the smallest atomic radius?

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

Q11: Which group contains alkali metals?

A. Group 1 B. Group 2 C. Group 17 D. Group 18

Q12: Metallic character:

A. Decreases across a period, increases down a group B. Increases across a period, decreases down a group C. Constant across period D. Random

Q13: Which is the most reactive alkali metal?

A. Francium B. Sodium C. Potassium D. Lithium

Q14: Which is the first transition element?

A. Scandium B. Titanium C. Vanadium D. Chromium

Q15: The shielding effect:

A. Increases down the group B. Decreases down the group C. Remains constant D. None

Q16: Which element is called "King of Chemicals"?

A. Sulfuric Acid B. Hydrochloric Acid C. Nitric Acid D. Acetic Acid

Q17: Which period contains lanthanides?

A. 6 B. 5 C. 4 D. 7

Q18: The atomic number of the first element of the third period is:

A. 11 B. 10 C. 12 D. 13

Q19: Which element shows maximum metallic character?

A. Cesium B. Aluminum C. Calcium D. Magnesium

Q20: What is the group number of halogens?

A. 17 B. 16 C. 15 D. 18