Camryn Grade 9 Science 12/4/2024

Compound

• a pure substance that is made of only one type of atom

• two or more elements that are chemically combined

• two or more elements that undergo a chemical reaction

• two or more elements or compounds that are not chemically combined

Element

• a pure substance made of only one type of atom (for example, copper Cu)

• an atom that gains or loses an electron

• electrons in the outermost energy level

• the simplest, smallest building block of a macromolecule

Tags

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Mixture

• two or more elements that are chemically combined

• two or more elements that undergo a chemical reaction

• two or more elements or compounds that are not chemically combined

• a pure substance made of only one type of atom

Chemical Bond

• two or more elements that undergo a chemcial reaction

• two or more elements that do not undergo a chemical reaction

• a pure substance made of only one type of atom

• an atom that loses 1+ electrons and is positively charged

Tags

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Ion

• an atom that gains an electron (or more) is negatively charged

• an atom that loses 1+ electrons and is positively charged

• an atom that gains or loses an electron

• electrons found in the outermost energy level that are responsible for bonding

Cation

• an atom that loses 1+ electrons and is positivley charged

• an atom that gains an electron (or more) and is negatively charged

• electrons in the outermost energy level that are responsible for bonding

• an atom that gains or loses an electron

Tags

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Anion

• an atom that gains or loses an electron

• an atom that loses 1+ electrons and is positively charged

• an atom that gains 1+ electron and is negatively charged

• two or more elements that are chemically combined

Valence Electrons

• atoms that lose 1+ electrons and are positively charged

• atoms that gain an electron or more and are negatively charged

• a pure substance made of only one type of atom

• electrons in the outermost energy level that are responsible for chemical bonding

Tags

NGSS.HS-PS1-1

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Electronegativity

• a large molecule-4 main types in biology

• the ability of an atom to attract electrons

• the molecule that is formed when 3+ monomers are linked

• the simplest, smallest building block of a macromolecule

Tags

NGSS.HS-PS1-1

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Polar Covalent Bond

• electrons within the covalent bond are not shared equally, they usually have large differences in electronegativity

• electrons within the covalent bond are shared equally without differences in electronegativity

• the simplest, smallest building block of a macromolecule

• 2+ elelements that are chemically combined

Tags

NGSS.HS-PS1-1