24 Questions
What is an element?
A substance consisting entirely of one type of atom
What does density measure?
The amount of mass in a given space
If a metal rod has a density of 3.5 g/mL, what would be the density of each half if you were to slice the rod in half?
3.5 g/mL
Why can objects that are the same size have different masses?
Because their materials or substances are different
Do two objects with the same mass always have the same volume?
No, the volume is not related to mass
What is the purpose of the scientific method?
To solve problems
What is the term for the rise in water levels when an object is placed into a container of water?
Water displacement
What is qualitative information?
Information that describes color, odor, shape, or physical appearance
What is quantitative information?
Numerical information
What is the purpose of a graduated cylinder in science?
To find the volume of liquids
What is the meniscus in a graduated cylinder?
The curve at the surface of the liquid
Why do scientists use the metric system?
Because almost all countries use it
What is the primary focus of chemistry?
The study of matter
What is a pure substance?
A substance where all of the particles are identical
Which of the following is NOT a state of matter?
Vacuum
What are atoms?
The smallest unit of an element that retains its chemical properties
What does the nucleus of an atom contain?
Protons and neutrons
What determines the chemical properties of an atom?
The arrangement and number of subatomic particles
What is a molecule?
A chemical structure consisting of at least two atoms bonded together
What is the chemical formula for a molecule of water?
H2O
How are molecules held together?
By chemical bonds
What type of matter is a mixture?
A substance with different types of particles present
Which particles orbit around the nucleus of an atom?
Electrons
Which of the following is a molecule of oxygen?
O2
Test your knowledge of chemistry basics and the study of matter with this quiz. Explore the concepts of elements, chemical composition, structure, and reactions. Learn about the different categories of matter, including pure substances and mixtures.
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