Properties of matter
Anything that occupies space and has weight
What is matter?
Matter with definite weight, volume and shape
What is a solid?
A change in physical characteristics of a substance without creating a new substance
What is a physical change?
basic, pure substances that cant be broken down into simpler substances
What is an element?
Have a positive electrical charge
What is a proton?
scientific study of matter, the chemical and physical changes affecting matter and the energy changes that accompany those processes.
What is chemistry?
Matter with definite weight and volume but indefinite shape
What is a liquid?
A change in a substance that creates a new substance with chemical characteristics different from the original substance.
What is a chemical change?
The smallest complete unit of an element
What is an atom?
Have no electrical charge-- they are neutral
What is a neutron?
All matter that is now living or was alive at one time, with carbon present, such as plants and animals.
What is Organic Chemistry?
Matter with definite weight, but indefinite volume and shape
What is a gas?
Water turning to steam
What is a physical change?
two or more atoms joined together by a chemical bond
What is a molecule?
have a negative electrical charge
What is an electron?
All matter that is not alive, has never been alive and does not contain carbon such as rocks, water and minerals
What is Inorganic chemistry?
an example of a solid (Estie related)
What is the skin?
Iron changing to rust in a process of oxidation
What is a chemical change?
when atoms combine that are different the resulting molecule is a..
What is a compound?
name given to an electron in the outermost orbit that is easily moved from its orbit
What is a free electron?
scientists who study matter and its properties and changes
What is a chemist?
Example of a liquid (estie related)
What is a lotion?
in electrical facials sebum changes to soap -- a chemical reaction called
What is saponification?
The most common element in the universe
What is hydrogen?
materials made up of two or more different substances but arent combined chemically
What is a physical mixture?