group properties of elements Flashcards
horizontal rows
period
how many periods are there?
7
vertical rows
family/group
elements in a group have ________________
similar chemical properties
in period, elements are arranged in ______________
increasing atomic number
group VIII A
Inert gases
group IA
alkali metals
group IIA
alkaline earth metals
group VIA
chalcogens
group VIIA
halogend
group IB
coinage metals
group IIB
volatile metals
inner transition elements
lanthanides and actinides
starts with group IIIB ends with group IIB
transition elements
metallic elements are ___________ except alkali metals
protein precipitants
___________ are toxic
heavy metals
equally acidic and basic
amphoteric
aka diagonal elements
bridge elements
___________ are called representative elements
group a
__________ are called transition metal groups
group b
1st member of the family can be quite unlike the other members. It more closely resembles the second member of the adjacent group to the right.
bridge elements
measure of the energy required to remove an electron by overcoming the attractive forces of the nucleus.
ionization potential
metals have _______ IP, readily form ________
decreased, cations
non-metals have ________ IP
increased
Attraction of the nucleus for an electron
electronegativity
metals have ________ electronegativity, thus __________
decreased, electropositive
nonmetals have _____________ electronegativity, especially halogens
increased
nonmetals attract additional electrons to form _________
anions
known as noble gases
group viii a
what elements are under group VIII A
He, Ne, Ar, Kr, Rn
group VIII A occur in the __________ except _____
atmosphere, radon
Ar, Ne, Kr, and Xe are produced from liquid air by ____________
fractional distillation
Radon is recovered from the natural decay products of _________
radium
_____________ are monoatomic, colorless, and odorless
inert gases
inert gases except helium follow the _________
octet rule