Ion Formation: Grade 12 Chemistry
This worksheet covers the fundamental principles of ion formation, including electron configuration, electronegativity, ionization energy, and the types of bonds formed.
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Ion Formation: Grade 12 Chemistry
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Read each question carefully and provide your best answer. Show all work for calculations.
1. Which of the following elements is most likely to form a cation?
Chlorine (Cl)
Oxygen (O)
Sodium (Na)
Neon (Ne)
2. What is the electron configuration of the iodide ion (I⁻)?
[Kr] 5s² 4d¹⁰ 5p⁶
[Xe]
[Ar] 4s² 3d¹⁰ 4p⁶
[Kr] 5s² 4d¹⁰ 5p⁵
3. Atoms tend to gain or lose electrons to achieve a stable electron configuration, similar to that of a noble gas.
4. The energy required to remove an electron from a gaseous atom is known as the energy.
5. A positively charged ion is called a , while a negatively charged ion is called an .
6. Elements with high electronegativity values tend to form cations.
True
False
7. Ionic bonds are formed through the sharing of electrons between atoms.
True
False
8. Explain the difference between ionization energy and electron affinity.
9. Describe how the octet rule applies to the formation of ions.
Match each term on the left with its correct definition on the right.
10. Cation
a. A negatively charged ion
11. Anion
b. A positively charged ion
12. Electronegativity
c. The ability of an atom to attract electrons in a chemical bond
13. Ionic Bond
d. A chemical bond formed by the transfer of electrons
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