Introduction Flashcards
not a p-block element
He
group 1
alkali metal
group 2
alkaline earth metals
group 18
inert gases
noble gases
zero group
group 17
halogens
group16
calcogens
group 15
pnictogens
metalloids
B, Si, Ge, Ar, Sb, Te, Po
d-block
transitional elements
f-block
inner transitional elements
s and p block
representative elements
magic numbers
2,8,8,18,18,32,32
low MP metals
Ga, Cs, Hg
lusturous non-metal
I
non-conductor of heat and electricity (metal)
Bi, Pb
electricity conducting non-metal
graphite
heat conducting non-metal
diamond
high MP and BP non-metal
B and C
low density metal
Li
shielding effect along the period
decreases
shielding effect down the group
decreases
order of atomic radius
10^-10 m
order of nucleus
10^-15 m
Rv, Rm, Rc (compare)
Rv > Rm > Rc
atomic radius along the period
decreases
atomic radius down the group
increases
largest element in a period
noble element
M, M+, M- (atomic radius compare)
M- > M > M+
ionisation enthalphy along the period
increases
ionisation enthalphy down the group
decreases
I.E.1, I.E.2 (compare)
I.E.1 < I.E.2
I.E. is always
endothermic
Be > B
full filled s-subshell
N > O
half filled p-subshell