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Aleks04 [339]
1 year ago
15

Which substance would retain the most heat for

Chemistry
1 answer:
djyliett [7]1 year ago
6 0

The aluminium substances would retain the most heat for the longest period of time.

<h3>What is retaining heat?</h3>

Retaining of heat is the quantity of heat that a substance or medium can store over time or the amount of heat that a specific amount of that substance can hold in itself. Substances that store heat 'well' (for a long time) also require a long time to heat up.

Copper and aluminium have the highest thermal conductivity among the more common metals, whereas steel and bronze have the lowest. When determining the metal to utilise for a certain application, heat conductivity is a critical quality to consider.

In addition, potassium has the highest specific heat and the longest heat retention time. Polystyrene, a polymeric polymer, can retain heat for up to 11 hours. This implies it can hold heat for extended periods of time.

Hence the aluminium substances would retain the most heat for the longest period of time.

Learn more about heat retention here

brainly.com/question/1780793

#SPJ1

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Answer:

\boxed{2}

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Alkaline earth metals are in group 2. The number of valence electrons of elements in group 2 is 2.

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Fluorite is..
denpristay [2]

Fluorite is harder than gypsum but softer than apatite. Thus, the correct option is B.

<h3>What is the hardness of any element?</h3>

The hardness of any element may be defined as the capability of a material to oppose the process of deformation and remains in actual shape precisely.  

According to the table of hardness scales by Mohs, the increasing order of given hardness of given elements is as follows:

Gypsum < Fluorite < Apatite.

Therefore, Fluorite is harder than gypsum but softer than apatite. Thus, the correct option is B.

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Where should the neutrons be added to this atomic model?
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with the proton inside the nucleus

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