Study Chemistry Chapter5 Flash Cards

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Pile Management Card
Chemistry Chapter5

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f block

lqn5hqnie3w & actinies

transition metals

groups 3-14

d block

groups 3-14

characteristics of noble gases

very unreactive, stable octet

group 18

noble gasees

characteristics of halogens

very reactive, 7 valence electrons

group 17

halogens

p block

groups 13-18

characteristics of alkaline earth metals

2 valence electrons, reactive but less than group 1

group 2

alkaline eart metals

characteristics of alkali metals

soft, extremly reactive, one valence electron

group 1

alkali metals

s block contains

groujps 1&2

valence electrons

have highest principle quanum number & determine many properties of the atom

outer shell electrons

valence electrons

modern periodic table

arranged by increasing atomic # so elements with similar properties fall in same column

periodic law

properties of elements are based on atomic number and valence electrons

mosely

found a method to determine atomic number

father of the periodic table

mendeleev

noticed trends and left empty spaces for missing elements

Cannizzaro

found a method to determine atomic mass.

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