chem study Flashcards
How did Mendeleev arrange the periodic table?
Atomic mass
How did Moseley arrange the periodic table?
Atomic number
the majority of the periodic table are what type of elements?
Metals
column on the periodic table
group
Row on the periodic table
period
What block(s) are the representative elements?
S and P
What block(s) are the transition elements
D
Electrons in the highest orbitals
valance
Group 1 name and #valance electrons
Alkali metals 1
Group 18 name and #valance electrons
noble gases 8
Group 2 name and #valance electrons
alkaline earth metals 2
Group 17 name, #valance electrons
halogens 7
Which is more reactive, group 1 or 2?
1`
valance electrons Aluminum
3
valance electrons Carbon
4
valence electrons phosphorus
5
valence electrons Oxygen
6
Which is a metal Sn or I
Sn
which is a transition element Al or Ti
Ti
Metalloids are located between what 2 things?
Metals and nonmetals
What group? ns..2 np..2
14
Identify the element in period 6, group 6
W tungston
