physical changes, atoms elements and compounds atoms- becomes bigger or smaller, boiling points
elements- becomes bigger or smaller, boiling point
compounds-becomes bigger or smaller, boiling point
chemical changes atoms- an atom changes in reaction time etc. describe matter
elements- an atom changes in reaction time etc. describe matter
compounds-an atom changes in reaction time etc. describe matter
what physical and chemical changes have in common describe the CHARACTERISTICS of a substance, They are used to record qualitative or quantative data
elements a substance consisting of atoms which all have the same number of protons,
compounds A compound is a substance formed when two or more chemical elements are chemically BONDED together. Two types of chemical bonds common in compounds are covalent bonds and ionic bonds.
mixtures material system made up of two or more different substances which are mixed but are not combined chemicall
the difference between mixtures, compounds, elements Elements are the purest form of a chemical substance and are composed of only one type of atom.
A chemical compound is a chemical that is composed of at least two different types of elements.(pure substance)
A mixture is a combination of two or more different chemical compounds or elemental substances(not a pure substance)
physical changes, atoms elements and compounds atoms- becomes bigger or smaller, boiling points elements- becomes bigger or smaller, boiling pointcompounds-becomes bigger or smaller, boiling pointchemical changes atoms- an atom changes in reaction time etc. describe matter elements- an atom changes in reaction time etc. describe mattercompounds-an atom changes in reaction time etc. describe matterwhat physical and chemical changes have in common describe the CHARACTERISTICS of a substance, They are used to record qualitative or quantative dataelements a substance consisting of atoms which all have the same number of protons,compounds A compound is a substance formed when two or more chemical elements are chemically BONDED together. Two types of chemical bonds common in compounds are covalent bonds and ionic bonds.mixtures material system made up of two or more different substances which are mixed but are not combined chemicallthe difference between mixtures, compounds, elements Elements are the purest form of a chemical substance and are composed of only one type of atom.A chemical compound is a chemical that is composed of at least two different types of elements.(pure substance)A mixture is a combination of two or more different chemical compounds or elemental substances(not a pure substance)
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physical changes, atoms elements and compounds atoms- becomes bigger or smaller, boiling points
elements- becomes bigger or smaller, boiling point
compounds-becomes bigger or smaller, boiling point
chemical changes atoms- an atom changes in reaction time etc. describe matter
elements- an atom changes in reaction time etc. describe matter
compounds-an atom changes in reaction time etc. describe matter
what physical and chemical changes have in common describe the CHARACTERISTICS of a substance, They are used to record qualitative or quantative data
elements a substance consisting of atoms which all have the same number of protons,
compounds A compound is a substance formed when two or more chemical elements are chemically BONDED together. Two types of chemical bonds common in compounds are covalent bonds and ionic bonds.
mixtures material system made up of two or more different substances which are mixed but are not combined chemicall
the difference between mixtures, compounds, elements Elements are the purest form of a chemical substance and are composed of only one type of atom.
A chemical compound is a chemical that is composed of at least two different types of elements.(pure substance)
A mixture is a combination of two or more different chemical compounds or elemental substances(not a pure substance)
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