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5 October, 03:34

How many electrons does a neutral atom of oxygen-18 have? 8 O 16.00

A. 8

B. 10

C. 18

D. 16

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Answers (2)
  1. 5 October, 03:43
    0
    Answer:A

    Explanation:The answer is a because a neutral atom of oxygen is represented as O. It is atomic number of 8. Hence, it contains 8 electrons and 8 protons.
  2. 5 October, 07:16
    0
    A. 8

    Explanation:

    Atomic number of oxygen = 8

    Oxygen is the 8th element in periodic table.

    Atomic no. = 8, means one oxygen atom has 8 protons. Now, because the atom is neutral, so number of electrons = no. of protons in an atom.

    Hence, the number of electrons in a neutral oxygen atom is 8.
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