Which of the following is a stable ion or are stable ions?
Na +1
Ca +2
Z
Your question doesn't make sense to me. Z is not an ion. And Na+1 and Ca+2 exist but ONLY in compounds such as NaCl or CaO. Both Na+1 and Ca+2 are very reactive; therefore, you usually see them only combined with a negative ion.
sorry i meant zn -2
No such thing as Zn-2. There is a Zn+2
To determine if an ion is stable or not, we need to look at the electronic configuration of the element and the formation of its ion.
Let's analyze each of the given ions:
1. Na+1: Sodium (Na) has an atomic number of 11, meaning it has 11 electrons. The electronic configuration of sodium is 2-8-1. When sodium loses one electron, it forms a sodium ion (Na+) with a stable electronic configuration of 2-8. So, Na+1 is a stable ion.
2. Ca+2: Calcium (Ca) has an atomic number of 20, indicating that it has 20 electrons. The electronic configuration of calcium is 2-8-8-2. When calcium loses two electrons, it forms a calcium ion (Ca+2) with an electronic configuration of 2-8-8, which is a stable configuration. Therefore, Ca+2 is a stable ion.
3. Z: The third option, "Z," lacks information regarding the element involved or its electronic configuration. Without this information, it is not possible to determine the stability of the ion.
In summary, both Na+1 and Ca+2 are stable ions, while the stability of the ion represented by "Z" cannot be determined without further information.