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Westkost [7]
3 years ago
5

How many atoms are contained in 75 g PCl3?

Chemistry
1 answer:
maria [59]3 years ago
8 0
<span>i get 3.19x10^20 atoms 
</span>
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Bond length is the distance between the centers of two bonded atoms. On the potential energy curve, the bond length is the inter
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Answer:

The answer is "152 pm".

Explanation:

The bond length from the values inside the atomic radii is calculated according to the query. This would be the upper limit of a molecule's binding length.

The atomic radius of H= 37.0 \ pm

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\text{Bond length = Atomic radius of H + Atomic radius of Br}

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If a compound contains a poly atomic ion then what type of compound is it A. Convalent Compound B. Ionic Compound
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Answer:

B. Ionic Compound

Explanation:

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A polyatomic ion is an ion that contains more than one type of atom e.g OH-, NO3²-, CO3²- etc. A polyatomic ion usually has an overall charge formed from the charges of the individual atoms that makes it up. For example, in OH-, the overall charge is -1.

Since a polyatomic ion can have an overall positive or negative charge, it must enter a reaction with another ion that complements it i.e. a negative polyatomic ion will react with a positive ion to neutralize its charge. Hence, this forms an IONIC COMPOUND. This is why most compounds with polyatomic ions are IONIC COMPOUNDS.

For example, CaCO3 is an ionic compound formed when Ca²+ (cation) reacts with the polyatomic anion: CO3²-

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How can we make use of acids or bases to remove metals from soils?
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