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valentina_108 [34]
2 years ago
10

Lonization Energy decreases as you go down a family (group or column). Explain why this pattern

Chemistry
1 answer:
Goryan [66]2 years ago
3 0

Answer:

Explanation:

As you move down a group, first ionization energy decreases. WHY? Electrons are further from the nucleus and thus easier to remove the outermost one.

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Determine whether or not each ion contributes to water hardness.
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Answer: The ion that contribute to water hardness are:

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Water is said to be HARD if it does not lather readily with soap. There are two types of water hardness:

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--> Temporary hardness: This is due to the presence of calcium HYDROGENTRIOXOCARBONATES. It can be removed by boiling and using slaked lime.

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