What is the study of matter and the changes that matter undergoes?
Chemistry
What consitis of two or more atoms joined by chemical bonds ?
Molecule
What is an example of a chemical property ?
flammability or corrosiveness
What is anything that has mass and occupies space?
matter
What law states that there is no dectable change in mass during an ordinary chemical reaction ?
Law of conservation of mass
extensive
What is the smallest indivisible unit for an element ?
atom
Which Law states that a chemical compound always contains the same elements in the same proportions by mass ?
Law of Definite proportions
What are propeties that can be measued called ?
quantitative
What are the three states of matter ?
solids, gases, liquids
What can be separated by phyical means into components without changing the identities of the components ?
Mixture
What is an example of a chemical change?
digestion, combustion, or oxidation
What are the five steps of the scientific method ?
Observation, hypothesis, experiment, theory, Further experiment
What two classes can pure substances be divided into ?
elements and compounds
What property does not depends on the amount of matter ?
Intensive