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Lapatulllka [165]
3 years ago
7

Which characteristic of the elements increases as you move across a period

Chemistry
1 answer:
dmitriy555 [2]3 years ago
3 0

Answer: THE ANSWER SHOULD BE Atomic number

Sry if wrong

Explanation:

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Which of the following elements is the smallest?
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The atomic radius of elements are used to estimate the sizes of elements. The atomic radius is taken as half of the inter-nuclear distance between two covalently bonded atoms of non-metallic elements or half of the distance between two nuclei in the solid state of metals.

To solve this problem we will obtain the atomic radius values of the given elements from a standard atomic radius table;

          Si          111 pm

           P          98 pm

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            S           87pm

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Calculate the molality and van’t Hoff factor (i) for the following aqueous solutions:
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The van 't Hoff factor is the ratio between the actual concentration of particles produced when the substance is dissolved and the concentration of a substance as calculated from its mass. For most non-electrolytes dissolved in water, the van 't Hoff factor is essentially 1.

<h3>What is the value of Van t Hoff factor?</h3>

For most non-electrolytes dissolved in water, the Van 't Hoff factor is essentially $ 1 $ . For most ionic compounds dissolved in water, the Van 't Hoff factor is equal to the number of discrete ions in a formula unit of the substance.

<h3>Which has highest Van t Hoff factor?</h3>

The Van't Hoff factor will be highest for

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   B. Magnesium chloride.

   C. Sodium phosphate.

   D. Urea.

Learn more about van't off factor here:

<h3>brainly.com/question/22047232</h3><h3 /><h3>#SPJ4</h3>

3 0
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