17/10/2023
FOR STUDENTS ‼️‼️‼️
Quiz time answer the following questions:
📌1. What is the lightest element in the periodic table?
A. Oxygen
B. Nitrogen
C. Hydrogen ✅
D. Helium
📌2. What is the most abundant element in the Earth’s atmosphere?
A. Hydrogen
B. Helium
C. Nitrogen ✅
D. Oxygen
📌3. What is the most abundant element in the Earth’s crust?
A. Helium
B. Oxygen ✅
C. Hydrogen
D. Nitrogen
📌4. What is the most abundant element in the universe?
A. Nitrogen
B. Hydrogen ✅
C. Oxygen
D. Helium
📌5. Who is the founder of the Periodic Table of Elements?
A. Vasily Mendeleev
B. Julius Lothar Meyer
C. Dmitri Mendeleev ✅
D. Vladimir Mendeleev
📌6. In periodic table of elements, ”Ca” stands for _______.
A. Carbon
B. Calcium ✅
C. Cadmium
D. Californium
📌7. In periodic table of elements, “Ni” stands for _______.
A. Nitrogen
B. Nickel ✅
C. Niobium
D. Nihonium
📌8. Which of the following does NOT belong to the group?
A. Indium
B. Thallium
C. Gallium
D. Beryllium ✅
📌9. Which of the following does NOT belong to the group?
A. Gold
B. Copper
C. Helium ✅
D. Iron
📌10. In what year was the periodic table of elements discovered?
A. 1869 ✅
B. 1689
C. 1896
D. 1968
📌11. The following are chemical elements that are present in Neptune EXCEPT ________.
A. Hydrogen
B. Nitrogen ✅
C. Helium
D. Methane
📌12. Which of the following is NOT a compound element?
A. Soil ✅
B. Sucrose
C. Toothpaste
D. Table salt
📌13. What is the atomic number of Au?
A. 29
B. 79 ✅
C. 26
D. 47
📌14. What is/are the most abundant element/s found in the Sun?
A. Helium
B. Carbon
C. Nitrogen and Oxygen
D. Hydrogen and Helium ✅
📌15. Who is known as the Father of Chemistry?
A. Galileo Galilei
B. Gregor Mendel
C. Antoine Lavoisier ✅
D. Dmitri Mendeleev