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WorksheetsQuiz 12: Elements of Chemistry
Total questions: 20
Worksheet time: 13mins
What is the study of matter and its transformations?
Physics
Biology
Chemistry
Earth Science
What is the difference between physical and chemical properties?
Physical properties are observable characteristics, while chemical properties describe how a substance reacts with other substances.
Physical properties describe how a substance reacts with other substances, while chemical properties are observable characteristics.
Physical properties and chemical properties are the same thing.
Physical properties and chemical properties are unrelated to each other.
Any substance composed of identical molecules consisting of atoms of two or more chemical elements.
Compound
Molecules
Elements
Particles
What is the process of naming compounds called?
Chemical synthesis
Chemical bonding
Chemical reaction
Chemical nomenclature
What is the size of an atom approximately?
10^-6 meters
10^-9 meters
10^-12 meters
10^-10 meters
What is the size of a bacteria approximately?
10^-6 meters
10^-9 meters
10^-12 meters
10^-10 meters
Are atoms made of molecules or molecules made of atoms?
Atoms are made of molecules
Molecules are made of atoms
Atoms and molecules are the same thing
Atoms and molecules are unrelated
How many atoms are there in a single grain of sand?
10^6
10^12
10^18
10^20
Choose the best answer: What is the role of chemistry in material science?
Chemistry helps in understanding the laws of motion
Chemistry helps in studying the composition of stars
Chemistry helps in creating new materials
Chemistry helps in understanding the behavior of subatomic particles
What is the term used for a molecule composed of two atoms?
Monatomic
Diatomic
Polyatomic
Triatomic
Name the compound: N2O5.
dinitrogen pentaoxide
binitrogen pentaoxide
nitrogen oxide
pentanitrogen dioxide
Name the compound: MgCl2
magnesium chloride
magnesium dichloride
monomagnesium chloride
manganese chloride
