NY Regents Chemistry Exam August 2023 Question 5
5 Which element is listed with the number of protons in each of its atoms?
(1) nitrogen, 14
(2) silicon, 14
(3) oxygen, 16
(4) phosphorus, 16
Solution: The number of protons of an atom of each element is equal to its' atomic number which can be found the Periodic Table. Atomic number is shown as the bold number below each element. Silicon has an atomic number of 14 (choice 2)
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