When Philip analyzed unknown substance x, he found that it contained only one kind of atom what is substance x

1 answer:

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Substance X is a (B) Element.
Explanation:

A compound consists of either many identical atoms or more than 1 type of atom. They can be broken down or converted into a simpler one.
An element is a substance which contains only one kind of atom. It cannot be broken down further or converted into simpler substance by any chemical means.

Heterogeneous mixture is a non uniform mixture of different atoms without any chemical bonding in between them.
Homogeneous mixture is a uniform mixture of different atoms without any chemical bonding in between them.
From the definitions it is clear that substance X is (B) Element.

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How do you know that a sealed calorimeter is a closed system?

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Answer: Option (c) is the correct answer.

Explanation:

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3 years ago

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Which of the following is a physical change? A) sawing a piece of wood in half. B) burning a piece of wood. C) rust forming on a

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3 years ago

In a Lewis diagram for methane (CH4), which atom or atoms is inside, or central?

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Answer:

B carbon

Explanation

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Please see attached figure,

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