Which of the following neutral atom configurations satisfies the octet rule?
A. 1s2 2s2 2p6 3s2 3p6
B. 1s2 2s1
C. 1s2 2s2 3s2 3p4
D. 1s2 2s2 3s2 3p6 4s1
Which group of atoms always has a complete octet, a full s and p orbital at the end of the configuration?
A. alkaline earth metals, Group 2A
B. halogens, Group 7A
C. noble gases, Group 8A
D. transition metals
A neutral atom of sodium (Na) has 11 electrons and an electron configuration of 1s2 2s2 2p6 3s1. How will it ionize to achieve an octet in its valence shell?
A. It will gain 7 electrons in the 3rd energy level to have a valance configuration of 3s2 3p6.
B. It will lose 1 elecrtron for the 3rd energy level to have a valance configuration of 1s2 2s2 2p6
C. It will not ionize, it already has an octet of electrons in its valance shell.
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