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Ch.2 Study Notecards
Ch.2 Study Notecards
12
Chemistry
8th Grade
02/24/2009

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Cards

Term
alkali metals
Definition

hydrogen, lithium, sodium, potassium, rubidium, cesium, francium

[image]

Term

alkali earth metals

Definition
beryllium, magnesium, calcium, stronium, barium, radium
Term
if an atom loses an electron than that atom becomes a ________ charged atom
Definition
[image]positive
Term
if an atom gains an electron that its charge is __________
Definition
negative
Term

is the halogen family really reactive or not so reactive???

Definition

REALLY REACTIVE

Term
up & down on the p.t. are called
Definition

family/group

[image]

Term
row (across)
Definition

period

[image]

Term
electon dot diagram example
Definition
Boron[image]
Term
polar covalent bonds
Definition
[image]H2O
Term

covalent crystals

Definition

scattered regular shaped cutoffs of a group of covalent bonds in a crystal

[image]

Term
types of crystal break ups
Definition

regular & irregular shapes

[image]

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