fmdmen344t fmdmen344t
  • 12-05-2021
  • Chemistry
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What is the mass number of sodium

What is the mass number of sodium class=

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Doyzia
Doyzia Doyzia
  • 12-05-2021

Answer:

Explanation:

Sodium mass number 23, 11 electrons

Magnesium: neutrons = 12

aluminum : atomic number  = 13

phosporus : protons = 15

Answer Link
dough777 dough777
  • 12-05-2021

Answer:

23

Explanation:

You need to add protons and neutrons to get mass

Answer Link

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