3 years ago

Pls answer Which element in each pair has the higher electronegativity value? Explain your answer

Chemistry

1 answer:

RSB [31]3 years ago

4 0

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Hot asphalt poured onto flat ground cools to form a solid road surface. Chemical or physical change

Verdich [7]

<h2>Answer:</h2>

This is a physical change.

<h3>Explanation:</h3>

Hot asphalt is mixed with the sand crushed stones and spread onto the roads, when it gets dry it becomes hard giving a smooth straight surface of the road.

Asphalt is used to stick together stones and sand in the road.

It is a physical change because the phase of the asphalt changed from the liquid to solid.

At high temperature, asphalt is in liquid form and at room temperature, it is present in hard solid form.

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3 years ago

The periodic table organize elements based on

e-lub [12.9K]

The elements are arranged by their atomic number but are also grouped by what type of element they are.

For example, metals, non metals, metalloids, and noble gasses will be grouped with elements that match them.

Hope this makes sense!