Chemistry
study of substances that do not contain carbon, but may contain hydrogen
What is Inorganic Chemistry?
the simplest form of matter
What is an element?
have a definite shape, volume and weight.
What are SOLIDS?
indicates a neutral solution
What is the number 7?
chemical reaction in which the oxidizing agent is reduced and the reducing agent is oxidized
What is an Oxidation-Reduction (REDOX)?
study of substances that contain carbon
What is Organic Chemistry?
result of two or more atoms that are joined together
What is a Molecule?
do not have a definite volume or shape. (Steam)
What are GASES?
pure water is
What is Neutral?
used to stabilize skin care products by preventing oxidation that would otherwise cause a product to turn rancid and decompose. They neutralize free radicals
What are Antioxidants?
examples: metals, minerals, glass, water, air, and titanium dioxide.
What are examples of Inorganic Chemistry?
the particles from which all matter is composed. Smallest particle of an element capable of showing the properties of that element
What are Atoms?
those charaterisics that can only be determined with a chemical reaction and cause a chemical change in the identity of a substance?
ex: rusting iron or burning wood
What are Chemical Properties?
The pH scale is __________, meaning a change of one whole number represents a tenfold change in pH.
What is Logarithmic?
can take place without oxygen or the addition of hydrogen; can occur when hydrogen is subtracted from a substance or oxygen is added
What is Oxidation?
most do not burn and were never alive
What are Inorganic Substances?
number of naturally occurring elements
What is 90?
those characteristics determined without a chemical reaction; do not cause a chemical change in the identity of a substance.
ex: color, odor, weight, density
What is a Physical Change?
an ion with a positive electrical charge
What is a Cation?
the rapid oxidation of a substance, accompanied by the production of heat and light
example: lighting a match
What is Combustion?
science that deals with the composition, structures, and properties of matter and how matter changes under different conditions
What is Chemistry?
letter symbol: S
What is Sulfur?
this is a change in a substance's chemical composition. A new substance with different properties are created.
What is a Chemical Change?
causes an atom or molecule to split in two, creating a pair of ions with a positive electrical charge
What is Ionization?
the same reaction that naturally ionizes water to create hydrogen (H+) ions and hydroxide ions (OH-). When acids (H+) and alkalis (OH-) are mixed together in equal proportions, they neutralize each other to form water
What is Acid-Alkali Neutralization Reactions?