Question

Choose from the following list, as what matches the descriptions given below.
[02-, 02, NH, OH,H,O, NH,CI, HCI, Ca²+, magnesium oxide, helium]
1. A noble gas having only two electrons in its valence shell.
2. A cation whose electron configuration resembles argon.
3. An anion whose electron configuration resembles neon.
4. A metallic oxide formed by the actual transfer of two electrons from the metallic atoms.
5. A molecule of a non-metal formed by sharing two pairs of electrons.​

Answer 1

Answer:

Did you mean: Choose from the following list, as what matches the description given below. [02-, 02, NH, OH,H,O, NH,CI, HCI, Ca²+, magnesium oxide, helium] 1. A noble gas having only two electrons in its valence shell. 2. A cation whose electron configuration resembles argon. 3. An anion whose electron configuration resembles neon. 4. A metallic oxide formed by the actual transfer of two electrons from the metallic atoms. 5. A molecule of a non-metal formed by sharing two pairs of electrons.

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