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Changes in Matter

What is an element? a form of matter that contains only one kind of atom; cannot be broken down into simpler substances
what are some examples of an element? H=Hydrogen C=carbon Cu=copper He=helium ect....
What is a molecule? it is formed by the combining of two or more atoms
What are some examples of a molecule? Examples: H2O NaCl
What is a mixture? a combination of different substances in which each of the components keeps its own physical and chemical properties despite being mixed
What are some examples of a mixture? sandy water ice cream with chocolate syrup Zn+Cu+Pb
True of False: A solution is a type of mixture True
How will an ion be positively charged? More protons than electrons = positive charge +
How will an ion be negatively charged? More electrons than protons = negative charge -
Name some physical and chemical changes: physical: shred paper, crumple paper, ect chemical: lights paper on fire, bike rusts
How do u know if it is a chemical property? It has the word ability in it
What is a physical property? It describes something
Created by: emilybaker21