The Period Table Flashcards
(14 cards)
what was arranged by atomic mass
the periodic table
who was the first scientist to notice the relationship between the elements
Mendeleev
all of the ________ in the period have the same number of atomic orbitals
elements
every element in the top row (the first ________) have one orbital for its electrons
period
elements in the same group have similar ________ and _________ properties
physical and chemical
the elements in the same group have the number of _________ in their outer orbitals
electrons
every element in the first column (____________) has one electron in its outer __________
group one
shell
_________ are usually ___________ at _____________ good conductors of heat and electicity
1) metals
2) solids
3) room temperature
Metals have high __________ points and __________ points
melting
boiling
___________ are very high
density
metals have _______ and reflect _______
luster
light
__________ - can be bent, ________ into sheets
malleable
pounded
__________- can be stretched into wire without breaking
ductile
the non-metals exist in all three _________ of ________
states of matter