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WorksheetsChem I unit 5: periodic table
Total questions: 94
Worksheet time: 1hrs 19mins
How many valence electrons do atoms need to be stable?
1
2
6
8
Which element is not a metal?
K
Re
Al
B
2 rows beneath the main periodic table
Lanthanide
Lanthanide and Actinide
Lanthanide and Hydrogen
Actinide and Hydrogen
Who arranged the periodic table by increasing atomic number?
Mendeleev
Rutherford
Bohr
Mosely
_______________ developed the first periodic table and arranged the elements in order of increasing atomic mass.
Stevie Wonder
Sasha Vujacic
Dmitri Mendeleev
James Mosely
What happens to the ionization energy of the alkali metals as you move down the group? (this makes higher energy levels more reactive)
increases
decreases
What is group 2 on the periodic table also known as?
alkali metals
alkaline-earth metals
halogen
noble gases
What is group 17 on the periodic table also known as?
alkali metals
alkaline-earth metals
halogen
noble gases
H or F?
N or C?
Cl or Al?
Main-group elements are elements whose electron configuration end in either ____ or ____ subshells.
s or p
s or d
p or d
d or f
What is the charge on a magnesium ion?
Cannot be determined
2+
3+
3-
2-
What is the charge on an aluminum ion?
Cannot be determined
2+
3+
3-
2-
What 2 subshells will valence electrons be found in (CHOOSE 2)?
s
p
d
f
