please help i dont understand this

Please Help I Dont Understand This

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Answer 1
I don’t understand either
Answer 2
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Related Questions

Why do you think it’s useful for scientists to classify matter? In other words, why do you think scientists need to identify something as a pure substance? Why do you think they need to know if something is a compound or an element?

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Answer:

They need to know

Explanation:

Because if we didn't know that something was a compound of an element we could either blow ourselves up when we are mixing them or when we are looking for something bad between the compound and we don't know its a compound how do we fix it

Classifying substances as elements or compounds helps us to understand their properties.

Matter is anything that has mass and occupy space. There are several substances in the universe and all of them are composed of matter. It is necessary to classify matter for reference purposes. When we classify matter then it is possible to refer to substances under specific classes.

A pure substance contains only one kind of matter. It is necessary to classify something as a pure substance so that it is we can know if it contains one type of matter or different types of matter.

It is necessary for scientists to classify something as element or compound in order to understand its properties. Elements and compounds are pure substances.

Learn more: https://brainly.com/question/13516179

Describe the structure of an atom. Be sure to include the terms nucleus, electron cloud, protons, neutrons, and electrons in your description

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Answer:

The answer would be A because inside of an atom is protons and neutrons. Protons are + neutrons are neutral and electrons are -. The electron cloud is big not small.

Explanation:

Hope this helps, have a great day. God Bless you.

What periodic element is from france

Answers

Answer:

Francium

Explanation:

I really don't know how to explain this

Francium there is no explanation!
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