Shared Flashcard Set

Details

CH 6 Section 2 notes abridged
notes
11
Science
8th Grade
02/26/2013

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Cards

Term
Name the four ways atoms can form bonds.
Definition
-gaining electrons
-losing electrons
-pooling electrons
-sharing electrons
Term
What is an atom that is no longer neutral because it has lost or gianed an electron?
Definition
ion
Term
What is an ionic bond?
Definition
attraction that holds oppositley charges ions close together
Term
Describe how sodium and chlorine form an ionic bond?
Definition
Na+Cl ---> Na[Cl]
Term
When do metallic bonds form?
Definition
When metal atoms share their pooled electrons. This bonding affects the properties of metals.
Term
What is the chemical bond that forms between nonmetal atoms when they share electrons?
Definition
covalent bond
Term
What is the neutral particle that is formed when atoms share electrons?
Definition
molecule
Term
When two pairs of electrons are shared by two atoms, what is the type of bond called?
Definition
double bond
Term
When three pairs of electrons are shared by two atoms, what is the bond called?
Definition
double bond
Term
What is the bond in which electrons are shared unevenly?
Definition
polar bond
Term
What is a combination of chemical symbols and numbers that show which elements are present in a compound and how many atoms of each are present?
Definition
chemical formula
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