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Which of these is the electron configuration of an atom most likely to lose an electron?A) 1s2 2s2 2p6 B) [He]2s2 2p5 C) 1s2 2s2 2p6 3s2 3p5 D) 1s2 2s2 2p6 3s2 3p6 4s1 2.
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Which of these is the electron configuration of an atom most likely to gain an electron?A) 1s2 2s2 2p6 B) 1s2 2s2 2p6 3s1 C) 1s2 2s2 2p6 3s2 3p5 D) 1s2 2s2 2p6 3s2 3p6 4s1 3.
A) A chemical bond B) Glue C) Nuclear force D) Fission 4.
A) atomic nuclei B) valence electrons C) inner-level electrons D) noble gases 5.
A) an atom loses one or more valence electrons B) an atom gains one or more valence electrons C) electrons are pulled into the nucleus D) electrons are pushed out of the nucleus 6.
A) nucleus B) cation C) anion D) molecule 7.
A) 6 B) 7 C) 8 D) 9 8.
2+ ) more stable than the calcium atom (Ca)?A) Twenty electrons are more stable than eighteen electrons. B) Eighteen electrons are less stable than twenty electrons. C) The two electrons more than the noble gas configuration is more stable. D) The noble gas configuration is more stable. 9.
A) metals B) metalloids C) nonmetals D) transition metals
