Multiple Choice
Which of the following statements about subatomic particles is correct?
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2. Atoms & Elements
Subatomic Particles
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Which of the following has the largest number of neutrons?
A
20Ne
B
35Cl
C
32S
D
19F
E
All have the same number of neutrons.
Verified step by step guidance1
Identify the atomic number and mass number for each element. The atomic number is the number of protons, and the mass number is the sum of protons and neutrons.
For 20Ne: The atomic number is 10 (Neon), and the mass number is 20. Calculate the number of neutrons using the formula: Neutrons = Mass number - Atomic number.
For 35Cl: The atomic number is 17 (Chlorine), and the mass number is 35. Calculate the number of neutrons using the same formula.
For 32S: The atomic number is 16 (Sulfur), and the mass number is 32. Calculate the number of neutrons using the same formula.
For 19F: The atomic number is 9 (Fluorine), and the mass number is 19. Calculate the number of neutrons using the same formula. Compare the number of neutrons for each element to determine which has the largest number.
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