n8atddkYuedmauniray n8atddkYuedmauniray
  • 23-10-2016
  • Chemistry
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If an atom contains 11 protons and 12 neutrons, what is its atomic number?

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denispanait
denispanait denispanait
  • 23-10-2016
Atomic number is Z. Z=number of protons, so Z=11
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Аноним Аноним
  • 23-10-2016
 The sodium has 11 protons and because it is neutral it has 11 electrons. 
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