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23 Jan 2018
1. ___________ is the energy used to move an object against a force.
a) kinetic energy
b) potential energy
c) heat
d) work
e) Galen-Marek
2. All of the ____________ have a valence shell electron configuration of ns2.
a) noble gases
b) halogens
c) chalcogens
d) alkali metals
e) alkaline earth metals
1. ___________ is the energy used to move an object against a force.
a) kinetic energy
b) potential energy
c) heat
d) work
e) Galen-Marek
2. All of the ____________ have a valence shell electron configuration of ns2.
a) noble gases
b) halogens
c) chalcogens
d) alkali metals
e) alkaline earth metals
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