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01:53:5
An atom of the element zinc has an atomic number of 30 and a mass number of 65. How many protons does an
uncharged zinc atom have?
0 30
35
○ 65
O 95
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GinnyAnswer
To determine the number of protons in an uncharged zinc atom, it's essential to understand the relationship between the atomic number and the number of protons.

1. The atomic number is a unique identifier for an element and is defined as the number of protons in the nucleus of an atom of that element.
2. For zinc, the atomic number is given as 30.

Since the atomic number equals the number of protons in the atom:

- An uncharged atom of zinc (Zn) has 30 protons.

Therefore, the number of protons in an uncharged zinc atom is 30.

Select option "0 30".
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