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Zinaida [17]
3 years ago
12

matter that is composed of two or more different elements chemically combined in a fixed proportion is classified as

Chemistry
1 answer:
Helga [31]3 years ago
5 0

Answer: The answer for this is Compound.

Explanation: A matter is something which occupies space and has some mass.

Elements are defined as the smallest substances which cannot be broken down into another substance by any chemical means.

A compound is a defined as a substance composed of two or more different elements when they combine chemically in definite proportion. For example: CO_2 is named as carbon dioxide and is a compound made by combining carbon and oxygen in a fixed ratio of 1 : 2

So, the answer to the given question is compound.

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Please help!!! will give brainliest!!! 30 points! (need to put roman numeral in answer)
mariarad [96]

1. Nickel (II) Bromide

2. Iron (II) Oxide

3. Iron (III) Oxide

4. Tin (IV) Chloride

5. Lead (IV) tetrachloride

6. Tin (II) Bromide

7. Chromium (III) Phosphide

8. Iron (II) Fluoride

9. Gold (III) Chloride

I hope this helps. I'm more than 100% sure that all the answers except for number 7 are correct. I knew all of them off the top of my head except for this one. I hope the other answer has the correct answer for that one. Good luck and have a great day.

3 0
3 years ago
Min : sec helium and nickel are classified as _____, which are pure substances that make up all kinds of matter
Sidana [21]

Helium which has a chemical formula of He is considered as a noble gas while Nickel which has a chemical formula of Ni is considered as metallic. Although both have different phases but they are both classified under the general category of “Elements”.

 

answer:

<span>elements</span>

4 0
3 years ago
Mole conversions.<br> Find the number of moles of argon in 607g of argon?
bogdanovich [222]

Answer:

24249.65 mol

Explanation:

n=MM × m

n= 39.95 ×607

n=24249.65

5 0
3 years ago
All of the following require breaking and forming chemical bonds except
skad [1K]
As far as I know, the answer is B (breaking a rock)
3 0
3 years ago
Which statement accurately describes nonrenewable energy sources?
suter [353]

Answer:

a resource that cannot be replenished in a short period of time.

Explanation:

Nonrenewable energy sources take thousands to millions of years to replenish. hence the "nonrenewable".

5 0
3 years ago
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