the periodic table
1 which of the following is a characteristic of nonmetals
nonmetals often conduct electricity
nonmetals are often malable
nonmetals are often ductible
nonmetals are often brittle solids
2 which catagory of elements is listed below the main body of the periodic table?
inner transition metals
halogens
nonmetals
metals
3 calcium,magnesium, and strontium belong to which group?
inner transition metals
alkaline earth metals
akali metals
halogens
4 how is the modern periodic table arranged?
by increasing atomic mass
by increasing ionic size
by increasing atomic number
by increasing electronegativity
5 where on the periodic table are the noble gases
in the middle
in group 1A(far left-hand side)
below the main body of the periodic table
in group 8A(far right-hand side)
6 which of the following shows 3 elements in order of decreaing conductivity
O,Ge,Mn
Mn,Ge,O
Ge,O,Mn
Mn,O,Ge
7 Telturium is a metaloid how many valence eletronsdoes tellurium have?
4
6
3
5
8 which of the following elements is a metaloid
iron
sodium
cadmium
silicon
9 which of the following lists the element in order of increasing malleablity
Sn,Sb,Se
Se,Sb,Sn
Sb,Sn,Se
Se,Sn,Sb
10 which of the following elements is a transuranium element?
plutorium
erbium
neodymium
thorium