Grade 9 Molecular Structure Worksheet
This worksheet covers fundamental concepts of molecular structure for Grade 9 science students, including bonding types, shapes, and properties.
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Grade 9 Molecular Structure Worksheet
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Read each question carefully and answer to the best of your ability. Show all work for calculations.
1. Which type of bond involves the sharing of electrons between atoms?
Ionic bond
Covalent bond
Metallic bond
Hydrogen bond
2. What is the molecular geometry of a methane (CH4) molecule?
Linear
Trigonal planar
Bent
Tetrahedral
3. The ability of an atom to attract electrons in a chemical bond is called .
4. A molecule with a partial positive end and a partial negative end is described as a molecule.
5. The VSEPR theory is used to predict the of molecules.
6. All molecules with polar bonds are polar molecules.
True
False
7. A double bond consists of two shared pairs of electrons.
True
False
8. Explain the difference between a polar covalent bond and a nonpolar covalent bond.
9. Describe how the number of lone pairs on the central atom affects the molecular geometry.
Use the words below to complete the sentences.
10. Atoms tend to gain, lose, or share electrons to achieve a stable electron configuration, typically with eight valence electrons, which is known as the .
11. A bond formed by the transfer of electrons from one atom to another is called an bond.
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