PERIODIC TABLE
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1. Which element has the atomic number 1?
A) Helium
B) Lithium
C) Hydrogen
D) Boron
Correct Answer: C) Hydrogen
2. What is the symbol for the element with atomic number 6?
A) C
B) N
C) O
D) P
Correct Answer: A) C
3. Which group contains the noble gases?
A) Group 1
B) Group 2
C) Group 17
D) Group 18
Correct Answer: D) Group 18
4. Which element is in period 3 and group 2?
A) Magnesium
B) Calcium
C) Sodium
D) Potassium
Correct Answer: A) Magnesium
5. What is the symbol for potassium?
A) K
B) P
C) Pt
D) Po
Correct Answer: A) K
6. Which element is known as the 'King of Metals'?
A) Gold
B) Iron
C) Platinum
D) Silver
Correct Answer: A) Gold
7. What is the atomic number of neon?
A) 8
B) 9
C) 10
D) 11
Correct Answer: C) 10
8. Which element is a liquid at room temperature?
A) Mercury
B) Bromine
C) Both A and B
D) Neither A nor B
Correct Answer: C) Both A and B
9. What is the heaviest naturally occurring element?
A) Uranium
B) Lead
C) Gold
D) Platinum
Correct Answer: A) Uranium
10. Which element has the highest electronegativity?
A) Oxygen
B) Nitrogen
C) Fluorine
D) Chlorine
Correct Answer: C) Fluorine
11. Which element is represented by the symbol 'Fe'?
A) Fluorine
B) Francium
C) Iron
D) Fermium
Correct Answer: C) Iron
12. Which of the following elements is a noble gas?
A) Hydrogen
B) Helium
C) Nitrogen
D) Oxygen
Correct Answer: B) Helium
13. Which element has the smallest atomic radius?
A) Hydrogen
B) Helium
C) Lithium
D) Beryllium
Correct Answer: B) Helium
14. Which element is commonly used in batteries?
A) Lead
B) Lithium
C) Sodium
D) Potassium
Correct Answer: B) Lithium
15. What is the atomic number of carbon?
A) 4
B) 5
C) 6
D) 7
Correct Answer: C) 6
16. Which element is located in group 1 and period 2?
A) Hydrogen
B) Lithium
C) Sodium
D) Potassium
Correct Answer: B) Lithium
17. Which element has the chemical symbol 'Na'?
A) Sodium
B) Nitrogen
C) Neon
D) Nickel
Correct Answer: A) Sodium
18. Which element is classified as a halogen?
A) Argon
B) Bromine
C) Xenon
D) Radon
Correct Answer: B) Bromine
19. Which element has an atomic number of 26?
A) Cobalt
B) Nickel
C) Iron
D) Copper
Correct Answer: C) Iron
20. What is the symbol for the element with atomic number 79?
A) Ag
B) Au
C) Al
D) As
Correct Answer: B) Au
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