a piece of paper is torn into several smaller pieces - physical or chemical change?, physical change, chemical change, An iron nail is left outside and develops reddish-brown rust. Is this a physical or chemical change?, physical change, chemical change, An ice cube melts into liquid water. Is this a physical or chemical change?, physical change, chemical change, A piece of wood is burned and turns into ash and smoke. Is this a physical or chemical change?, physical change, chemical change, Sugar dissolves in a glass of water. Is this a physical or chemical change?, physical change, chemical change, A bicycle tire is filled with air and becomes larger. Is this a physical or chemical change?, physical change, chemical change, An apple is cut open and eventually turns brown. Is this a physical or chemical change?, physical change, chemical change, A candle is melted by heat, changing from a solid to a liquid. Is this a physical or chemical change?, physical change, chemical change, Baking soda and vinegar are mixed and produce bubbles of gas. Is this a physical or chemical change?, physical change, chemical change, A glass bottle falls and breaks into many pieces. Is this a physical or chemical change?, physical change, chemical change, A chocolate bar melts in your hand, physical change, chemical change, A banana becomes rotten over several days., physical change, chemical change, Water evaporates from a puddle, physical change, chemical change, A marshmallow is toasted until it becomes dark brown, physical change, chemical change, A piece of aluminum foil is crumpled into a ball, physical change, chemical change, O₂ - element or compound, element, compound, H₂O - element or compound, element, compound, Fe - element or compound, element, compound, CO₂ - element or compound, element, compound, Au - element or compound, element, compound, NaCl - element or compound, element, compound, NaCN₂ - element or compound, element, compound, N₂ - element or compound, element, compound, CaCO₃ - element or compound, element, compound, He- element or compound, element, compound, C₆H₁₂O₆ - element or compound, element, compound, C₆H₁₂O₆ - Carbon has 6 atoms in this compound because..., theres a "6" at the bottom of C, theres a "12" at the bottom of H, CaCO₃ - Carbon has 1 atom in this compound because..., there's nothing at the bottom of C, theres a "3" at the bottom of O, CaCO₃ - Carbon has 1 atom in this compound because..., there's nothing at the bottom of C, theres a "3" at the bottom of O, H₂O - How many hydrogen (H) atoms are in this formula?, 1, 2, CO₂ - how many Oxygen (O) atoms?, 1, 2, NaCl - How many Chlorine (Cl) atoms?, 1, 0, CaCl₂ - how many Chlorine (Cl) atoms?, 1, 2, NH₃ - how many nitrogen (N) atoms?, 1, 3, C₆H₁₂O₆ - how many carbon (C) atoms?, 6, 12, 6, C₆H₁₂O₆ - how many oxygen (O) atoms?, 6, 12, Al₂O₃ - How many aluminum (Al) atoms?, 2, 3, Mg(NO₃)₂ - how many oxygen (O) atoms, 2, 3, 6

Changes, Elements, Atoms counting

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