An atom with Z = 26 and A = 58 contains ________ protons and ________ neutrons.
A)26;58
B)58;26
C)26;32
D)32;26
E)26;84

Name: An atom with Z = 26 and A = 58 contains ________ protons and ________ neutrons. A)26;58 B)58;26 C)26;32 D)32;26 E)26;84
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Question

Quizplus · Accepted Answer

The atomic number (Z) equals the number of protons, which is 26. The mass number (A) is the sum of protons and neutrons, so A = Z + N. With A = 58 and Z = 26, the number of neutrons (N) is A - Z = 58 - 26 = 32.

An Atom with Z = 26 and a = 58