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garik1379 [7]
3 years ago
14

Which anion testing solution produced the fewest (<3) precipitates? b) Salts of these anions may be described as soluble with

few exceptions. Name the cations that are the exceptions to the rule for each anion identified in 3a
Chemistry
1 answer:
Tom [10]3 years ago
3 0

Answer:anions with least precipitates are anions of salt produce by a strong acid and strong base e.g KCL,Na2SO4,

Explanation: salts produce from strong acid such as HCL and a strong base such as KOH are extremely soluble and hence produce little or no precipitate when dissolved in water .meaning the salt are highly soluble , most group1 elements form salts that are highly soluble and hardly precipitates e.g Na(sodium) pottasium(K) ,lithium(Li)salts.they are called alkaline metals.

B) exception to the rules are hydrogen and Rubidium.hydrogen because it occurs basically as a gas and forms H^+ which tend to form a hydrogen bond while rubidium is a heavy metal forming insoluble salt

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3 years ago
In naming the compound PCl5, the prefix used with the second element is ____________________.
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Answer:

\boxed {\boxed {\sf Hepta}}

Explanation:

We are given the formula:

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1. Name the first element

The first element is phosphorous (P). Since this is the first element and there is only one, we don't need a prefix.

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2. Second element

The second element is chlorine (Cl). It has a subscript of 5, so we must add the prefix of <u>hepta</u>-.

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The prefix used for the second element is hepta. The compound name is phosphorous heptachloride.

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2 years ago
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8 0
3 years ago
An atom in the ground state contains a total of 5 electrons 5 protons and 5 neutrons. Which Lewis electron-dot diagram represent
Luba_88 [7]
I don't know if you didn't gave a picture choice or if i didn't get the picture.
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rewona [7]

Answer:

hope this helps

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Water starts anywhere from clouds to ponds

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