30 protons, 28 electrons Express your answer as an ion.

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The ion is $$\text{Zn}^{2+}$$. An atom with 30 protons and 28 electrons has a net charge due to the difference in the number of protons and electrons. Protons are positively charged, and electrons are negatively charged. Since there are 30 protons and 28 electrons, the atom has a charge of: 30 protons - 28 electrons = +2 charge This means the atom is a cation with a charge of +2. The element with 30 protons is zinc (Zn). Therefore, the ion can be expressed as: $$\text{Zn}^{2+}$$ So, the answer is $$\text{Zn}^{2+}$$.

30 protons, 28 electrons Express your answer as an ion.

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30 protons, 28 electrons Express your answer as an ion.

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