Periodic Table Quiz Questions GK Pdf
1. Which scientist invented the earliest version of the periodic table?
A. Dmitri Mendeleev
B. Alexandre-Emile Béguyer de Chancourtois
C. Lothar Meyer
Answer: B
2. What is the main difference between the modern and earlier periodic table?
A. The earlier table organised elements by atomic weight, while the modern table organised elements by atomic number
B. The earlier table organised elements by atomic number, while the modern table organised elements by atomic weight
C. There are no major differences between two versions
Answer: A
3. How many periods or rows are there on the periodic table?
A. 7
B. 8
C. 9
Answer: A
4. The rows on the periodic table are arranged so that ___ are on the right side and ___ are on the left side.
A. Nonmetals / metals
B. Metals / nonmetals
C. Metals / gases
Answer: A
5. What is the symbol for potassium on the periodic table?
A. P
B. Po
C. K
Answer: C
6. What does the atomic number mean?
A. The number of protons in the atom
B. The number of neutrons in the atom
C. The number of electrons in the atom
Answer: A
7. The element silver is named after which country?
A. Germany
B. Brazil
C. Argentina
Answer: C
8. What is the most metallic element on the periodic table?
A. Caesium
B. Francium
C. Uranium
Answer: B
9. What is the most conductive metal on the periodic table?
A. Silver
B. Copper
C. Gold
Answer: A
10. What is the most abundant element that accounts for up to 75 per cent of the observed ordinary matter?
A. Oxygen
B. Hydrogen
C. Nitrogen
Answer: B
11. Which was the first element that was made artificially?
A. Technetium
B. Hassium
C. Radium
Answer: A
12. What do elements with features intermediate between those of nonmetals and metals are called?
A. Gases
B. Radioactive elements
C. Metalloids
Answer: C
13. What is the name of the columns of elements on the periodic table?
A. Periods
B. Groups
C. Categories
Answer: B
14. Most of the chemical elements on the periodic table are ___
A. Metals
B. Metalloids
C. Nonmetals
Answer: A
15. What is the symbol for calcium on the periodic table?
A. Ca
B. Cl
C. Cm
Answer: A
16. Which of the following chemical elements is not a halogen?
A. Fluorine
B. Chlorine
C. Selenium
Answer: C
17. What is the first chemical element on the periodic table?
A. Hydrogen
B. Helium
C. Lithium
Answer: A
18. What is the atomic mass of Calcium?
A. 30
B. 40
C. 50
Answer: B
19. Aluminium would have similar properties to which of the following chemical elements?
A. Germanium
B. Gallium
C. Iron
Answer: B
20. Mercury, Cadmium, and zinc all belong to which group on the periodic table?
A. 12
B. 13
C. 14
Answer: A
21. What is the most common colour that you can see in pure carbon?
A. White
B. Yellow
C. Black
Answer: C
22. When we move from the bottom to the top of the periodic table:
A. Electronegativity increases and ionisation energy decreases
B. Both electronegativity and ionisation energy decreases
C. Both electronegativity and ionisation energy increases
Answer: A
23. When it comes to electron affinity, which of the following statements can be applied to halogens?
A. Halogens have high values of electron affinity
B. Halogens have low values of electron affinity
C. There is no generalisation about electron affinity for halogens
Answer: A
24. When we move from right to left across the periodic table:
A. Electronegativity increases
B. Atomic radius increases
C. Atomic radius decreases
Answer: B
25. Which of the following are the features of nonmetals?
A. Basically accept electrons easily and poor conductors of electricity and heat
B. Basically accept electrons easily and good conductors of electricity and heat
C. Basically donate electrons easily and good conductors of electricity and heat
Answer: A
26. Which of the following groups are regarded as metals on the periodic table?
A. Only basic metals
B. Halogens, alkaline earths, alkali metals, basic metals, transition elements
C. Alkaline earths, alkali metals, rare earths, basic metals, transition elements
Answer: C
27. Where can we find the chemical element with the smallest atom in the periodic table?
A. On the right and bottom area
B. On the right and top area
C. On the left and bottom area
Answer: B
28. Which of the following chemical elements has the highest electron affinity?
A. Chlorine
B. Bromine
C. Iodine
Answer: A
29. What is the typical colour of fluorine gas?
A. Yellowish or brown
B. Colourless
C. Opaque white
Answer: A
30. What is the atomic number of aluminium?
A. 10
B. 13
C. 16
Answer: B
31. Sodium belongs to which element group?
A. Alkali metal
B. Transition metal
C. Alkaline earth metal
Answer: B
32. Which of the following chemicals is a noble gas?
A. Hydrogen
B. Chlorine
C. Krypton
Answer: C
33. How many chemical elements are there on the first row of the periodic table?
A. 2
B. 8
C. 12
Answer: A
34. Which of the following is not a heavy metal element?
A. Mercury
B. Lead
C. Magnesium
Answer: C
35. Which of the following sources of food is often contaminated with heavy metals like mercury, arsenic, or cadmium?
A. Mushroom
B. Shellfish
C. Beef
Answer: B
36. What was lead previously used in industry?
A. An ingredient in pain
B. A chemical to produce uranium ore
C. A solvent to produce chemical alloys
Answer: A
37. Which of the following statements are correct about heavy metals?
A. Elements with high densities that readily react with other elements
B. Elements with low densities and low potential for making alloys
C. Elements with high densities that can be toxic, even in a small dose
Answer: B
38. Known as the densest natural element, this heavy metal is often used in electrical contacts or fountain pens. What is it?
A. Uranium
B. Francium
C. Osmium
Answer: C
39. This is one of the most expensive metals and is a super-conductor. Thee mineral niobite is its main source of mining. What is it?
A. Rhenium
B. Rhodium
C. Niobium
Answer: A
40. Which heavy metal is used to make the strongest artificial magnetic field?
A. Neodymium
B. Europium
C. Cobalt
Answer: C
41. What was the first metal to be named after a person? It is usually used to produce bright light in cinema projectors.
A. Einsteinium
B. Rutherfordium
C. Seaborgium
Answer: C
42. Named after the Norse goddess of beauty, this heavy metal was first discovered in 1801 but scientists convinced it was chromium. It was rediscovered in 1931. What is it?
A. Indium
B. Vanadium
C. Iridium
Answer: B
43. Which heavy metal is the lightest artificial element without stable isotope?
A. Technetium
B. Radium
C. Barium
Answer: A
44. This heavy metal is often used to make surgical devices as part of an alloy because it can resist corrosion and does not irritate the body’s tissues. What is it?
A. Lithium
B. Tantalum
C. Curium
Answer: B
45. Usually used as a rat poison, this heavy metal is also known as the “Inheritance Powder” or the “Poisoner’s Poison.” What is it?
A. Lead
B. Arsenic
C. Thallium
Answer: C
46. How can mercury get into shellfish and fish?
A. The element is naturally occurring in water bodies
B. The element can enter rivers or oceans through industrial wastes
C. The element can be found in many devices for catching and storing fish
Answer: B
47. Which heavy metal is also known as the “King of Poisons” due to its discreet and potent use in murdering people by the ruling class?
A. Cadmium
B. Lead
C. Arsenic
Answer: C
48. What is the common criterion of specific gravity used for classifying heavy metals?
A. Greater than 3.0 g/cm3
B. Greater than 5.0 g/cm3
C. Greater than 7.0 g/cm3
Answer: B
49. Mercury and silver are often used together for which dental applications?
A. Teeth braces
B. Teeth fillings
C. Dental crown
Answer: B
50. What is the main purpose of including heavy metals in glass or ceramic grazes?
A. To make them harder
B. To add colours
C. To improve flexibility
Answer: B