Science Chapter 1 Electron and Chemical Bonding
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30 terms
Terms | Definitions |
|---|---|
 Chemical bonding | joining of atoms to form new substances. properties of new are different from the original elements |
| chemical bond | force of attraction that holds 2 atoms together |
| valence electrons | electrons in the outermost energy level of an atom |
| ionic bond | the force of attraction between oppositely charged ions |
| ions | charged particles that form during chemical changes when one or more valence electrons transfer from atom to another |
| crystal lattice | the ions that make up an ionic compound are bonded in a repeating 3 D pattern |
| how does an atom become a negative ion | it gains an electron |
| what are 2 properties of ionic compounds | brittle, form crystal lattice |
| covalent bonds | force of attraction between the nuclei of atoms and the electrons shared by the atoms |
| molecule | neutral group of atoms held together by covalent bonds |
| diatomic molecules | simplest molecules. consist of two atoms bonded together. |
| metallic bonds | the force of attraction between a positively charged metal ion and electrons in a metal |
| ductility | the ability to drawn into wires |
| malleability | the ability to be hammered into sheets |
| what happens to electrons in covalent bonds | they are shared by the atoms |
| what type of element is most likely to form a covalent bond | nonmetals |
| whos the best science teacher in 8th grade | mrs petre |
| The force of attraction that holds two atoms together is a | chemical bond |
| charged particles that form when atoms transfer electrons | ions |
| The Force of attraction between the nuclei of atoms and shared electrons is a(n) | covalent bond |
| Electrons free to move throughout a material are associated with a | metallic bond |
| shared electrons are associated with what type of bond | covalent bond |
| Which element has a full outermost energy level containing only two electrons | Helium (He) |
| The properties of ductility and malleability are associated with which type of bond | metallic |
| In which area of the periodic table do you find elements whose atoms easily gain electrons | right side |
| draw the chart of Bonds what they are between and what the electrns do | Bond Between Electron Ionic metals and non met. gain/lose (transfer) Covalent non metals share Metallic metals swim free to move |
| whose the best mom in the world | my mom |
| whose the best dad in the world | my dad |
| whose the best brother in the world | my brother |
| whose the best sis in the world | i am |
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