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katrin [286]
2 years ago
7

Spooky, scary skeletons

Chemistry
2 answers:
konstantin123 [22]2 years ago
8 0

Answer:

I LOVE THIS OMG

ira [324]2 years ago
6 0

Answer:

I am so afraid now.........

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Which of the following is not a part of every scientific investigation?
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An atom that has 13 protons and 15 neutrons is isotope of the element A.) nickel B.) silicon C.) aluminum D.) phosphorus. Why?
joja [24]

An atom that has 13  protons and 15  neutrons  is isotope  of Aluminium (answer C)

<u><em>Explanation</em></u>

  • Isotope  is a form of the same element with   the equal number of protons but difference number  of neutrons  in  their nuclei.
  • In other words isotope has the same  atomic number but different mass  number.
  • Atomic  number of a element is determined by number of  protons of an element.

  • from the  periodic table   Aluminum in atomic number 13 therefore  it has 13 protons  <em>therefore an atom that  has 13  protons and 15 neutrons is   a isotope  of Aluminium. </em>
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chubhunter [2.5K]

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Subtract The <u>mean</u> from each Numbers Given

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Answer all 5 questions, please
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4.) static electricity decoded tiny changes in the surface of a balloon causes it to charge more when rubbed against our hair

5.) you might have to answer that on your own but if you don’t want to here’s my experience


One day me and my twin brother were jumping on the trampoline and when we fell down my hair rubbed against the surface of it and stuck up

Hope that helped and Brainiest?
6 0
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