elements and symbols
What is the symbol for potassium?
K
What is the vertical column of the periodic table called?
group
Is Calcium (Ca) metal, nonmetal, or metalloid?
metal
Who is credited with proposing the first atomic theory in the early 1800s?
John Dalton
What is 6.219 × 10-3 in standard notation?
0.006219
Which element has the symbol “Fe”?
Iron
Which group contains the alkali metals?
Group 1
Is Boron (B) a metal, nonmetal, or metalloid?
metalloid
Which scientist discovered that atoms can release negatively charged particles?
J.J. Thomson
What is 150,000 in scientific notation?
1.5 × 105
Which element is represented by the symbol “Pb”?
Lead
What group are the noble gases found in?
Group 18 or 8A
Is hydrogen (H) a metal, nonmetal, or metalloid?
nonmetal
Who preformed the gold foil experiment?
Ernest Rutherford
What is 3.3676 × 104 in standard notation?
33,676
What element has the symbol “Sn”?
Tin
Where are the metalloids located on the periodic table?
Along the staircase line
metal vs nonmetal
Which are dull and brittle?
nonmetal
What model did J.J. Thomson use to describe atoms?
Plum Pudding model
Which element has the symbol “W”?
Tungsten
Where are the transition elements located?
groups 3-12
Metal vs nonmetal
Which has low densities and melting points?
nonmetals
What did the gold foil experiment show?
Atom is mostly empty space, but contains a small positively charged nucleus