Shared Flashcard Set

Details

Chemical Bonds
Types of bonds
29
Science
9th Grade
01/24/2014

Additional Science Flashcards

 


 

Cards

Term
Ion
Definition
A charged particle formed when an atom loses or gains electrons
Term
Cation
Definition
A positive ion formed when a metal has lost one or more electrons
Term
anion
Definition
A negative ion formed when an nonmetal atom has gained one or more electrons
Term
Properties of ionic compounds
Definition
Solids with high melting points and conductors of elctricity when dissolved in water
Term
Ionic Bond
Definition
Formed by the transfer of elctrons from a metal to a nonmetal
Term
MgCl2
Definition
An example of an ionic bond
Term
Molecules
Definition
Name of covalent compound
Term
Covalent Bond
Definition
When electrons are shared between nonmetal atoms
Term
Properties of covalent compounds
Definition
substances with low melting points which do not conduct electricity when dissolved in water
Term
CH4
Definition
Example of covalent compound
Term
Metallic Bond
Definition
Formed from a combination of metal atoms
Term
Sea of Electrons
Definition
Describes how valence electrons act in a metallic bond
Term
Cu
Definition
Example of metallic bond
Term
Polar molecule
Definition
When electrons are not shared equally in a covalently bonded substance like water
Term
Nonpolar
Definition
When electrons are shared equally in a covalently bonded substance like in any diatomic molecule (H2)
Term
acid
Definition
substance that produces hydrogen ions (H+) in water
Term
Indicator
Definition
A compound that changes color in acid or base- litmus paper is an example
Term
Properties of acids
Definition
Sour taste, corrosive, turn blue litmus red
Term
Examples of acids
Definition
Vinegar, citrus fruits, hydrochloric, nitric
Term
Bases
Definition
Any substance which forms hydroxide ions (OH-) in water.
Term
Properties of bases
Definition
Bitter taste, corrosive, slippery, turn red litmus blue
Term
Examples of bases
Definition
soap, ammonia, sodium hydroxide
Term
pH
Definition
A measure of how acidic or basic something is
Term
1-14
Definition
range of the pH scale
Term
neutral
Definition
pH of 7
Term
pH less than 7
Definition
acids
Term
pH more than 7
Definition
bases
Term
neutralization
Definition
When an acid reacts with a base to make salt and water
Term
Salt and water
Definition
Products of a neutralization reaction
Supporting users have an ad free experience!