Periodic Table
Name a noble gas
anything in group 18.
What are properties of metal?
ductile, malleable, shiny
What happens to atomic number as go across a period
increases (by 1)
What element is in period 2 group 4.
Ti, Titanium
What is a use of metalloids?
computers
What happens to atomic mass as you go across a period?
Generally increases
What are the elements in group 17 called?
Halogens
What period and group is Uranium in?
Period 7 group 3
K
metal
What happens to atomic radius across a period?
Decreases
Name a noble metal.
rhenium, ruthenium, rhodium, palladium, silver, osmium, iridium, platinum, and gold
Where are metalloids generally located?
along the staircase
What happens to the melting point across a period?
increases then decreases
What does the term 'valence electrons' mean?
number of electrons on outermost orbit
What non metal is located in a different location than the others?
Hydrogen
What happens to the metal like properties are you go across a period?
decreases
What happens to density down a group?