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AP Chemistry Unit 2.2 & 2.5 Practice

Authored by Jessica Holmes

Chemistry

11th Grade

NGSS covered

Used 4+ times

AP Chemistry Unit 2.2 & 2.5 Practice
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30 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The Lewis structure of N2H2 shows __________.

a nitrogen-nitrogen triple bond

a nitrogen-nitrogen single bond

each nitrogen has one lone pair

each nitrogen has two lone pairs

each hydrogen has one lone pair

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The ability of an atom in a molecule to attract electrons is best quantified by the ______.

electronegativity

paramagnetism

diamagnetism

electron change-to-mass ratio

first ionization energy

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which atom can accommodate an octet of electrons, but doesn't necessarily have to accommodate an octet?

N

C

H

O

B

Tags

NGSS.HS-PS1-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

As the number of covalent bonds between two atoms increases, the distance between the atoms ______ and the strength of the bond between them ______.

increases, increases

decreases, decreases

increases, decreases

decreases, increases

is unpredictable

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of these bonds takes the most energy to break?

single

double

triple

quadruple

Tags

NGSS.HS-PS1-4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Potassium iodide, KI,has the following bonding:

ionic

metallic

nonpolar covalent

polar covalent

Tags

NGSS.HS-PS1-2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The electronegativity of C is 2.5, F is 4.0.  predict the character of a C-F bond.

polar covalent
nonpolar covalent
ionic
metallic

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