by alex
Chemistry is the study of matter and the changes it undergoes, a fascinating field that reveals the secrets of the universe at a molecular level. This quiz will test your knowledge on key concepts, including atomic structure, chemical reactions, and the periodic table. Sharpen your pencils and get ready to prove your chemistry prowess!
Chemistry Class Quiz Questions Overview
1. What is the atomic number of Carbon?
6
8
12
14
2. Which element is known as the ‘King of Chemicals’?
Nitrogen
Oxygen
Sulfur
Phosphorus
3. What is the chemical formula for water?
H2O
HO2
H2O2
OH2
4. Which of the following is a noble gas?
Oxygen
Nitrogen
Helium
Chlorine
5. What is the pH level of pure water?
7
5
3
9
6. Which element has the highest electronegativity?
Fluorine
Chlorine
Oxygen
Nitrogen
7. What type of bond is formed when electrons are shared between atoms?
Ionic bond
Covalent bond
Metallic bond
Hydrogen bond
8. Which of the following is a chemical change?
Melting ice
Boiling water
Rusting iron
Breaking glass
9. What is Avogadro’s number?
6.022 x 10^23
3.14 x 10^7
1.67 x 10^-24
9.81 x 10^2
10. Which law states that the volume of a gas is directly proportional to its temperature, provided the pressure is constant?
Boyle’s Law
Charles’s Law
Avogadro’s Law
Dalton’s Law
