Chemistry Chapter 1: The Science of Matter Flashcards

Terms Definitions
noun. It is the science that investigates and explains the structure and properties of matter.
noun. It is anything that takes up space and that has mass.
noun. It is the measure of the amount of matter that an object contains.
noun. It describes the characteristics and behavior of matter, including the changes that matter undergoes.
Scientific Model
noun. It is a thinking device that helps you understand and explain macroscopic observation.
adj. This observation is one that can be made without measurement.
adj. This observation is one that uses measurement.
noun. It is matter with the same fixed composition and properties. It is any sample of pure matter.
noun. It is a combination of two or more substances in which the basic identity of each substance is not changed.
Physical Change
It is a change in matter that does not involve a change in the identity of the substance.
Physical Property
It is the characteristic of a sample of matter that can be observed or measured without any change in its identity.
noun. Another name for a homogeneous mixture.
noun. It is a solid solution that contain different metals and sometimes non-mentallic substances.
noun. The substance being dissolved.
adj. The substance that dissolves the solute
Aqueous Solution
The solution when the solvent is water.
noun. They have the simplest form of matter.
noun. It is a chemical combination of two or more different elements joined together in a fixed proportion.
noun. It is a combination of the chemical symbols that show what elements make up a compound and the number of atoms of each element.
Homogeneous Mixture
a type of mixture in which the composition is uniform and every part of the solution has the same properties.
Heterogeneous Mixture
a type of mixture in which the components can be seen, as there are two or more phases present.
noun. A synthetic compound used medicinally to relieve mild or chronic pain and to reduce fever and inflammation, usually taken in tablet form.
noun. A compound, originally obtained from the bark of the Pacific yew tree, which has been found to inhibit the growth of certain cancers.
adj. The change of a substance to a gas easily at room temperature.
noun. It is the amount of matter (mass) contained in a unit of volume.
Chemical Change
The change of one or more substances into other substances.
Chemical Reaction
Another term for chemical change.
Chemical Property
They are those that can be observed only when there is a change in the composition of the substance.
Law of Conservation of Mass
The law that in a chemical change, matter is neither created nor destroyed.
noun. It is the capacity to do work.
adj. Chemical reactions that give off heat energy.
adj. Chemical reactions that absorb heat energy.
verb. The process where a solid matter turns into a gaseous form.
verb. It is the process of purifying a liquid from a solid substance/ It is the process of separating two substances.
adj. Matters that are visible to the naked eye.
adj. The world of atoms.
Scanning Tunnelling Microscope (STM)
The capability of producing images on a computer screen that show the locations of individual atoms.
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