Which substances have the lowest melting points: ionic covalent, or metallic

The study of chemicals is called chemistry. There are two types of solution in the chemistry and these are acid and base.

The correct answer to the question is as follows:-

According to the question, the lowest melting point is covalent bond due to sharing to electrons

Hence, the correct answer is a covalent bond.

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answer by yourhope:

how do models compare to real-world objects?

d. most models represent a real-world object in a simpler way.

: )

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.