Chemistry Vocabulary - Regents Review

the amount of energy needed to remove an electron from an atom or ion

• electronegativity

• ionization energy

the tendency for an atom to attract shared electrons in a bond

• electronegativity

• ionization energy

a substance that cannot be decomposed into simpler substances by ordinary chemical processes

• element

• compound

a substance made up of two or more different chemical elements combined in a fixed ratio

• element

• compound

a mixture that has a uniform composition

• heterogeneous

• homogeneous

a mixture that does not have a uniform composition throughout

• heterogeneous

• homogeneous

A state of matter that has a definite shape and volume

• solid

• liquid

• gas

Tags

NGSS.5-PS1-3

A state of matter that has no definite shape but has a definite volume.

• solid

• liquid

• gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A state of matter with no definite shape or volume

• solid

• liquid

• gas

Tags

NGSS.MS-PS1-4

two or more elements or compounds that are physically mixed together but not chemically combined

• pure substance

• mixture