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Study guide Gr 6 Atoms and Molecules Terms to know- atom, molecule , compound, element, atomic number, proton, neutron, electron, evaporation, nucleus, periodic table, condensation, chemical formula, nuclear force, malleability, acid, base, liquid _________________ Number of protons in an atom. __________________definite volume no definite shape ___________________ negatively charged subatomic particle ___________________ Substance with a pH lower than 7 ____________________Smallest unit of a substance that still has all of the properties that substance _____________________arrangement of elements by similar properties. ______________________Two or more atoms joined together _______________________Substance made up of more than one element ________________________ MgCO3, H2O, O2 are examples _________________________Property of some metals __________________________ A gas becoming a liquid __________________________ A liquid becoming a gas \ Explain condensation- give an example- Explain Evaporation- give an example Explain a control variable- give an example- Explain how many atoms are found in this compound H2CO3 and explain why this is a compound. List the 3 states of matter and explain how water can change states.
