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Unit b-3
sceince
Term | Definition |
---|---|
molecule | a element or chemical |
chemical bond | bonding between two reacants |
chemical formula | the formula of the chemicles there are and how many of each |
compond | two or more atoms combine to make a subastance |
element | a pecie of matter that makes up everything |
chemical reaction | A bond between chemicles that can make nosies change color an so on |
recant | The chemicles before they are comdine |
product | the new chemical substance after two chemicals are combine |
cross linked | two polymers combine and make a hard brittle substance |
monomer | one sigle chemical comdantion of an atom |
polymer | more than one chemicla comdation of na atom |
opensytem | when air can get to a substance |
closed system | whne air can not react with sudstance |
Law of Conservation of Mass | no Atoms are gained or loosed in a chemical reaction. |