basic chem study guide - 10 When you add or remove a/an...

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BASIC CHEMISTRY STUDY GUIDE 1) What is an Atom? Smallest part of all matter 2) Matter is defined as anything that takes up space 3) Complete the following table Particle Location Mass Charge Neutron Nucleus 1 amu Neutral Proton Nucleus 1 amu (+) Electron Electron Clouds Outiside the nucleus Almost zero (-) 4) Which particle controls what element an atom is? Protons 5) What does Bohr’s atomic model represent? It represents the protons, neutrons and electrons and their relationship in a atoms 6) When you add or remove a Proton a new element is formed. 7) The atomic number is =to the number of Protons 8) Which particles orbit around the nucleus Electrons 9) Define Isotope- A variation of an element. Isotopes are radioactive
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Unformatted text preview: 10) When you add or remove a/an neutrons a new Isotope is formed (some are radio active) 11) In a NEUTRAL atom, The protons always are equal to the electrons 12) Complete the following table using the following website http://webelements.com/ Element Symbol Protons Neutrons Electrons Atomic # Atomic Mass Nitrogen N 7 7 7 7 14 Oxygen O 8 8 8 8 16 Magnesium Mg 12 12 12 12 24 Boron B 5 5 5 5 10 Covalent vs. Ionic Bonds 13) Ions are electrically charged electrons. Covalent bonds SHARE electrons Covalent Bond examples are: • Oxygen=O2 • H2O=Water 14) Ionic Bonds DONATE or STEAL electrons. Ionic Bond examples: • NA+ Cl- (sodium chloride or salt)...
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