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lyudmila [28]
2 years ago
14

Which group has elements with the most diverse set of properties??

Chemistry
2 answers:
Nadya [2.5K]2 years ago
6 0

<u><em>Answer</em></u>

The correct option is D, Group 4A.

<u><em>Explanations:</em></u>

The elements of group four are Carbon (C), Silicon (Si), Germanium (Ge), Tin (Sn) and lead (Pb).

<u><em>Example</em></u>

These elements show diversity in oxidation state like some topped elements hows +4 oxidation state while others shows +2 oxidation state which are below in group.

TiliK225 [7]2 years ago
4 0
Group 4A

The elements in group 4 show the most diverse set of properties.
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How many atoms are in 2.10 g of K? molar mass of K=39.10g/mole.
Alborosie

Answer:

<h3>The answer is option B</h3>

Explanation:

To calculate the number of atoms we must first calculate the number of moles

Molar mass = mass / number of moles

number of moles = mass / Molar mass

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mass = 2.10g

number of moles = 2.10/ 39.10

= 0.0537mol

After that we use the formula

N = n × L

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10^23 entities

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<h3>N = 3.23×10^22 atoms of K</h3>

Hope this helps you.

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Generally, all the properties of matters can be divided into two classes, these are intensive and extensive properties. Intensive properties are those properties that are not determined by the quantity of the material that is present or available. Examples of intensive properties are colour, density and specific heat capacity. For instance, whether you have a bucket of water or a cup of water, the quantity does not matter, the colour of water will always remain the same. Extensive properties in contrast, are those properties that depend on the quantity of material that is available. Examples are mass, heat capacity and volume.

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