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Darya [45]
4 years ago
7

(2.6 x 10^6) / (2.0 x 10^8)

Chemistry
1 answer:
laila [671]4 years ago
7 0

Answer:

0.013

Explanation:

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3 years ago
I'd really appreciate help- this is due in around 8 hours :"D
Fed [463]

Answer:

  1. atomic #= 1
  • protons equals one
  • Number of neutrons equals to 0
  • number of electrons equal to 1
  • mass number equals to 1

2.

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  • Protons equals to 1
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  • mass number equals to 1

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  • atomic number 17
  • number of protons 17
  • number of neutrons 18
  • number for electrons 18 Because negative sign means It's an anion which means it gains an electron
  • mass number 35

4.

  • 12
  • 12
  • 12
  • 10 loses 2 its a cation
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5.

  • 47
  • 47
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6.

  • 16
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  • 18 it gains 2 electrons
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there u go

7 0
3 years ago
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