Chemistry 2 Question Preview (ID: 60468)
Subatomic Particles.
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Family that has 4 valence electrons
a) alkali
b) noble gas
c) carbon
d) nitrogen
Least reactive family
a) Alkali
b) Noble gas
c)
d)
Most reactice family of metals
a) alkali
b) Halogen
c)
d)
Most reactive nonmetal family
a) Alkali
b) Halogen
c)
d)
Electrons found in the outermost shell of an atom
a) protons
b) neutrons
c) electrons
d) valence electrons
subatomic particle with a mass of less than 1 amu
a) proton
b) neutron
c) electron
d)
Subatomic particle with a positive charge
a) proton
b) neutron
c) electron
d)
O is an example of
a) compound
b) molecule
c) element
d)
NaCl is an example of a
a) compound
b) molecule
c) element
d)
Periods are ___ on the periodic table.
a) rows
b) columns
c)
d)
Number of groups on the periodic table of elements
a) 7
b) 8
c) 18
d)
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