Study Set Content:
Study of matter and the changes it undergoes
Chemistry
Anything that occupies space and has mass
Matter
States of matter
Solid, Liquid, Gas, Plasma
less rigid than solids and are fluids, follows the shape of the container
Liquids
Rigid objects with definite shape
Solid
They are also fluids and can expand indefinitely
Gas
is a combination of two or more substances in which the substances retain their distinct identities
Mixture
is matter that has a definite or constant composition and distinct properties
Substance
- the composition of the mixture, after sufficient stirring, is the same throughout the solution
Homogenous mixture
the composition is not uniform.
Heterogenous mixture
•A substance can be either an
element or compound
is a substance that cannot be separated into simpler substances by chemical means
element
ferrum
iron
gold
aurum
sodium
natrium
a substance composed of two or more elements chemically united in fixed proportions.
Compound
is the representation of the arrangement of electrons distributed among the orbital shells and subshells
electron configuration
is used to describe the orbitals of an atom in its ground state, but it can also be used to represent an atom that has ionized into a cation or anion by compensating with the loss of or gain of electrons in their subsequent orbitals.
electron configuration
Every element on the Periodic Table consists
atoms
atoms are composed of
protons, neutrons, electrons
