Electronegativity Worksheet
Explore the concept of electronegativity, its trends on the periodic table, and its role in chemical bonding for Grade 9 Science students.
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Electronegativity: Understanding Atomic Attraction
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Read each question carefully and answer to the best of your ability. Show all your work where applicable.
Electronegativity is a measure of the tendency of an atom to attract a bonding pair of electrons. This property plays a crucial role in determining the type of chemical bond formed between atoms.
1. Which of the following elements has the highest electronegativity?
Sodium (Na)
Chlorine (Cl)
Oxygen (O)
Fluorine (F)
2. As you move across a period in the periodic table from left to right, electronegativity generally:
Increases
Decreases
Remains constant
First increases, then decreases
3. Electronegativity is the ability of an atom to attract a bonding pair of electrons in a bond.
4. The most electronegative element on the periodic table is .
5. As you move down a group in the periodic table, electronegativity generally .
6. Explain why electronegativity generally increases across a period.
7. Describe how electronegativity differences can be used to predict the type of chemical bond (ionic, polar covalent, nonpolar covalent).
8. A large difference in electronegativity between two atoms typically results in a nonpolar covalent bond.
True
False
9. Noble gases generally have high electronegativity values.
True
False