<span>it must be a compound of a polyatomic cation (i think ammonium might be the only</span>
Answer:
the average distance of the outermost electron shell from. the nucleus.
Explanation:
True
Explanation:
The position of sodium on the periodic table makes the element a solid at room temperature is very correct.
- Sodium is an elements with 11 electrons in its shell.
- It is located in group 1 on the periodic table because it contains an outer valence electron.
- In a free state Na metal, the atoms exhibit metallic bonding.
- Metallic bonding is responsible for the solid nature of this alkali metal at room temperature.
- It is highly reactive because it has just one valence electron.
- Metals are usually found left of the periodic table.
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Group 1 brainly.com/question/2154626
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