Each element is identified by a one or cardinal letter abridgment ex: C - carbon take in elements- Exist in very minor(ip) amounts scarce are essential Atoms: The bu ilding blocks of Elements Elements are made up of atoms Atoms- the smallest element of an element that has the characteristics of that element The structure of an atom- Each element has distinct characteristics Nucleus- content of atom made of positively channelised particles (protons) and particles with no charge (neutrons) electron cloud- small particles with negative charge spin at high travel rapidly around the nucleus Electron efficiency levels- Each energy level has a reserve capacity: first holds 2 e-, second holds 8 e-, and trinity holds 18 e- Isotopes of an Element- Isotopes- atoms of the same element that have different poetry of neutrons ex: Carbon- 12, Carbon- 13, and Carbon- 14 Isotope nuclei are un abiding and break isolated releasing energy as they do Compounds & Bonding- water is not an element, it is a compound Compound- a substance that is composed of atoms of two or more different elements that are chemically combined Characteristics of a compound are different than those of the tete-a-te! te elements How covalent bonds form- nearly matter is in the form of compounds Most elements are stable when their outer energy levels are full, one way to take on the outer shell is to pct electrons Most compounds in organisms have covalent bonds Covalent bonds- the take out that... If you want to get a full essay, enounce it on our website: OrderCustomPaper.com
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