*The positive ion formed after losing an electron in a figure is called _______.*
1️⃣ magnesium ion
2️⃣ oxygen ion
3️⃣ sodium ion
4️⃣ chlorine ion
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Atoms that lose electrons acquire a positive charge as a result because they are left with fewer negatively charged electrons to balance the positive charges of the protons in the nucleus. Positively charged ions are called cations.
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"The positive ion formed after losing an electron in a figure is called cation."
What is cation?
- An atom that is capable of becoming electropositive, tends to lose electrons.
- Every atom desires to complete its octet rule.
- To complete its octet, an atom either gains or lose electrons so that its outermost shell has 8 electrons.
- After losing electrons, the atom has number of protons more than the number of electrons.
- An atom having number of protons more than number of electrons is called cation.
- Magnesium has (2,8,2) as electronic configuration. Here 2 electrons are lost and it becomes a cation.
- Sodium has (2,8,1) as electronic configuration. Here 1 electron is lost and it becomes a cation.
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