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a_sh-v [17]
3 years ago
10

Can someone plz help-

Chemistry
2 answers:
Xelga [282]3 years ago
8 0

Answer: 3. a bottle that was broken into many small pieces

yan [13]3 years ago
3 0

Answer:

The answer is 3 :)

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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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