Chemistry Worksheet

Chemistry Worksheet - Chemistry Worksheet Define each of...

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Unformatted text preview: Chemistry Worksheet Define each of the following: Element- a distinct substance that cannot be broken down by conventional means Atom- composed of protons, neutrons and electrons; smallest form of an element Neutron - neutrally charged particle that is located in the nucleus Proton - positively charged particle located in the nucleus Electron- negatively charged particle located outside the nucleus in shells or orbits Atomic number - equals the number of protons Mass number- equals the number of protons plus the number of neutrons 2) What is an isotope? Two atoms of the same element with different number of neutrons Carbon 12 and Carbon 14 are examples. 3) An atom or element with a neutral charge has the same number of protons and electrons . 4) An element has an atomic number of 13. How many protons does it have? 13 How many electrons does it have? 13 5) This same element has an atomic weight of 27. How many neutrons does it have?...
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This note was uploaded on 09/24/2011 for the course BSC 1005 taught by Professor Vanden during the Spring '09 term at Broward College.

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Chemistry Worksheet - Chemistry Worksheet Define each of...

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