column 1
The branch of science that applies to substances that contain carbon is called _______________ chemistry.
organic
There are _______ naturally occurring elements, each with its own distinct physical & chemical properties.
98
What state of matter has a definite volume but takes the shape of its container?
liquid
Chemical reactions that are characterized by giving off heat are _____________.
exothermic
A substance, usually liquid, that dissolves another substance to form a solution is a(n) ______________.
solvent
All haircolor products are organic chemicals, which mean they ___________________________.
contain carbon & hydrogen
The basic unit of matter, with a nucleus at the center surrounded by negatively charged electrons that move around the nucleus in orbits, is a(n) ______________.
atom
What is an example of a chemical property?
ability to rust
The rapid oxidation of a substance, accompanied by the production of heat and light, is known as ________________.
combustion
Mutually soluble liquids that can be mixed together to form clear solutions are _____________.
miscible
What is the study of substances that lack the element carbon, but may contain the element hydrogen?
inorganic chemistry
Chemically combining wo or more atoms produces a ___________________.
molecule
Change in the form of a substance that does not cause a chemical reaction is a(n) ______________ change.
physical
A chemical combination of matter in definite (fixed) proportions is a ________________.
pure substance
An unstable physical mixture of two or more immiscible substances is a(n) _________________.
emulsion
a characteristic of all inorganic substances is that they ____________________.
lack carbon
The chemical combination of two or more atoms of different elements produces a(n) ______________.
compound
The oxidation of haircolor is an example of a ________________.
chemical change
Air contains many substances, including nitrogen, carbon dioxide, and water vapor, and is an example of a _____________.
physical mixture
Substances that allow oil and water to mix, or emulsify, are __________________.
surfactants
The simplest form of chemical matter that cannot be broken down without the loss of identity is a(n) ______________________.
element
Sodium chloride is an example of a(n) __________________.
compound molecule
What type of chemical reaction results in the oxidizing agent being reduced and the reducing agent being oxidized?
redox
A stable physical mixture of two or more substances in a solvent is a(n) _____________.
solution
What is an example of an oil-in-water emulsion of two immiscible liquids?
cold cream