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vlabodo [156]
3 years ago
11

Why is K lighter than Na

Chemistry
1 answer:
statuscvo [17]3 years ago
6 0

Answer:

Basically, in the case of sodium and potassium the increase in shell size outweighs the pull of the core on the outer shell electron and so potassium is less dense than sodium. When we more from Na to K, effect of increase in volume is more pronounced as compared to effect of increase in atomic mass.

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Answer:

option B = 0.410 g

Explanation:

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All non-zero digits are consider significant figures like 1, 2, 3, 4, 5, 6, 7, 8, 9.

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Zero between the non zero digits are consider significant like 104 consist of three significant figures.

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3 0
4 years ago
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4 years ago
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2 years ago
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Lemur [1.5K]

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Explanation:

5 0
3 years ago
Hi, can someone help me with this.
AleksAgata [21]
It is 0.5474 but you can put 0.5 hope this helps
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