Answer: 14
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Silicon has an atomic number of 14 and a mass number of 28. How many neutrons are found in silicon?
Which of these refers to atoms with the same atomic number but different atomic masses? These atoms are isotopes. Fluorine's atomic number is 9 and its atomic mass is 19 .
Beryllium's atomic mass is 9 and its atomic number is 4 .
The atomic number of silicon (or Si) is 14 . It's atomic mass is 28.09 meaning that it has 14 protons 14 electrons and 14 neutrons.
The atomic number is equal to the number of protons in the atom therefore silicon has 14 protons . In a neutral species the number of protons equals the number of electrons so silicon also has 14 electrons. The mass number is the number of protons plus neutrons therefore 28 – 14 protons equal 14 neutrons.
Tue May 14 2019 · By the difference between mass number...
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