Question

M. Choose from the following list, as what matches the descriptions given below.
[0°, 0, NH,, OH,H,O, NH,CI, HCI, Ca²+, magnesium oxide, helium]
1. A noble gas having only two electrons in its valence shell helium
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 atom.
5. A molecule of a non-metal formed by sharing two pairs of electrons.
6. A molecule of polar covalent compound. Ho
7. A radical having a covalent and coodinate valent bond.
8. A salt having an ionic, a covalent and not a coordinate valent bond.
9. A molecule of two non-metals having two lone electron pairs.
10. An anion formed by the loss of one hydrogen atom from the molecule of water.​

Answer 1

Answer:

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Answer 2

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