In which system do molecule-ion attractions exist?
*A. NaCl(aq)
B. NaCl(s)
C. C6H12O6(aq)
D. C6H12O6(s)
A particle accelerator can increase the kinetic energy of
*A. An alpha particle and a beta particle
B. An alpha particle and a neutron
C. A gamma ray and a beta particle
D. A neutron and a gamma ray
What is the total number of electrons needed to completely fill all of the orbitals in an atom's second principal energy level?
A. 16
B. 2
*C. 8
D. 4
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