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Setler79 [48]
2 years ago
12

Can someone plz help me???? will mark as brainliest!!!!!!!!!!!

Chemistry
1 answer:
Nookie1986 [14]2 years ago
7 0

1=c    2=a     3=b

i hope these answer your questions


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Mumz [18]
The answer is the third one because density is mass divided by volume so 80 divided by 10 is 8
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2 years ago
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What is the scientific term for the curved shape that results? guatured cyclinder
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Curvature

Explanation:

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Answer: C (Option 3)

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3 years ago
A substance has a atomic number of 80.How many protons and electrons do atoms of the substance have ?what is the substance
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Answer: Substance is Mercury (Hg)

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              number of electrons = 80

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Atomic number which is symbolized by "Z" is the number of protons in nucleus of an atom.

Hence,

     number of protons = atomic number = 80

  • By knowing atomic number, we can find the element by using periodic table. Since the atomic number 80, the element is Mercury (Hg).

If the substance is in its neutral state, which means there is no charge on it, then the number of protons equals to the number of electrons of that element.

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3 years ago
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A student trying to determine if a liquid was a mixture or a pure substance made several following observations. Which observati
Keith_Richards [23]

Answer:

Distillation

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By using the method of distillation we'll identify if there is other properties of liquid by looking the temperatures,the ordor or the boiling point.

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