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baking cookies

chemical change

buring paper

chemical change

heating table sugar

chemical change

crushing a can

physical change

filtering

physical change

disolving salt in water

physical change

alloy

compound mixture of metals which is prepared in a molten state

a line between molecules

covelant bond

valance electrons

those electrons in the outher most shell of an atom can be used to form a chemical bond

covelant bond

two outermost atoms share their electrons

metallic covalent bond

a coventant bond when both atoms are metals

Ionic bond

when one atom transfers its outer most electron to another atom

percent ionic character less than 50%

covelant bond

percent ionic character more than 50%

ionic bond

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