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WorksheetsBellwork 2 Week 3 2nd Nine Weeks
Total questions: 15
Worksheet time: 9mins
Which of the following shows the correct order of Atomic Theory Timeline
Rutherford, Bohr, Dalton, Democritus, Thomson
Bohr, Democritus, Thomson, Rutherford, Dalton
Dalton, Thomson, Rutherford, Bohr, Democritus
Democritus, Dalton, Thomson, Rutherford, Bohr
Thomson Experimented with ______
Gold Foil
alpha particles
cathode rays
protons
A burglar smashes the window of a nearby car to steal some money. What is this an example of?
Physical property
Chemical property
Physical change
Chemical change
Stomach acid has a pH of approximately 2. What is this an example of?
Physical property
Chemical property
Physical change
Chemical change
Isotopes of an element have a different number of...
Protons
Neutrons
Electrons
Mass
Convert this number to standard notation: 7.1 x 104
(a)
Convert this number into scientific notation: 0.068
6.9 x 106
6.8 x 10-9
6.8 x 10-2
None of the above
Periodic law states that the elements are arranged according to their atomic ________ so that elements with similar chemical properties are in the same ________ and properties repeat periodically.
numbers, rows
masses, rows
masses, column
numbers, column
Metals (select all that apply)
are found on the right side of the periodic table.
are found on the left side of the periodic table.
are good conductors of heat and electricity.
are brittle.
are malleable and ductile.
Nonmetals (select all that apply)
are found on the right side of the periodic table.
are found on the left side of the periodic table.
are good conductors of heat and electricity.
are brittle.
can be solid, liquids, or gases at room temperature.
