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Unit 3 - AP Chemistry Review

Unit 3 - AP Chemistry Review

Assessment

Flashcard

Chemistry

11th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a covalent bond?

Back

A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms.

2.

FLASHCARD QUESTION

Front

What is the structure of silicon dioxide?

Back

Silicon dioxide (SiO2) has a repeating network of covalent bonds, forming a three-dimensional lattice.

3.

FLASHCARD QUESTION

Front

What type of bonding occurs in water (H2O)?

Back

Water molecules exhibit polar covalent bonding due to the difference in electronegativity between hydrogen and oxygen.

4.

FLASHCARD QUESTION

Front

What is molecular geometry?

Back

Molecular geometry refers to the three-dimensional arrangement of atoms in a molecule.

5.

FLASHCARD QUESTION

Front

What is the molecular geometry of a tetrahedral molecule?

Back

In a tetrahedral geometry, a central atom is bonded to four other atoms, with bond angles of approximately 109.5 degrees.

6.

FLASHCARD QUESTION

Front

What factors influence lattice energy?

Back

Lattice energy is influenced by the charge of the ions and the distance between them; higher charges and shorter distances result in higher lattice energy.

7.

FLASHCARD QUESTION

Front

Which compound has the highest lattice energy: LiF, MgCl2, CaBr2, or C2H6?

Back

MgCl2 has the highest lattice energy due to the higher charge of the magnesium ion compared to lithium.

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