Pregunta
Magnesium chloride contains magnesium ions,
, and chloride ions,
.
i Explain why a magnesium ion is positively charged.
ii Explain why a chloride ion has a single negative charge.
i Explain why a magnesium ion is positively charged.
ii Explain why a chloride ion has a single negative charge.
Ask by Powers Burton. in South Africa
Jan 23,2025
Solución de inteligencia artificial de Upstudy
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Magnesium ions are positively charged because magnesium loses two electrons, making it have more protons than electrons. Chloride ions have a single negative charge because they gain one electron, resulting in more electrons than protons.
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The Deep Dive
Magnesium ions are positively charged because they have lost two electrons. Magnesium has an atomic number of 12, meaning it has 12 protons and, in its neutral state, also 12 electrons. When it loses those two electrons to achieve a more stable electron configuration, it is left with 10 electrons and 12 protons, resulting in a net charge of +2.
Chloride ions carry a single negative charge because they gain an electron. Chlorine has an atomic number of 17, which means it has 17 protons and 17 electrons when neutral. By gaining one additional electron, chlorine now has 18 electrons and still only 17 protons, leading to a net charge of -1. This gain of an electron enables it to achieve a stable electron configuration akin to that of noble gases.

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