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Covalent and Ionic Bonding

Authored by Srijani Sarkar

Chemistry

8th Grade

NGSS covered

Used 209+ times

Covalent and Ionic Bonding
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About

This quiz focuses on chemical bonding, specifically the fundamental differences between ionic and covalent bonds. The content is appropriate for 8th grade general chemistry students who are learning to distinguish between these two primary types of chemical bonds. Students need to understand that ionic bonds form between metals and nonmetals through the transfer of electrons, creating oppositely charged ions that attract each other, while covalent bonds form between nonmetals through the sharing of electrons. The questions assess students' ability to identify which elements will form each type of bond based on their positions on the periodic table, recognize proper naming conventions for ionic compounds, understand the energy changes involved in bond formation, and distinguish between polar and nonpolar covalent bonds. Students must also grasp that atoms achieve greater stability through bonding and that electron transfer creates ions with different names than their parent atoms. Created by Srijani Sarkar, a Chemistry teacher in the US who teaches grade 8. This quiz serves as an excellent formative assessment tool to evaluate students' understanding of fundamental bonding concepts before moving on to more complex molecular structures and chemical reactions. Teachers can use this as a warm-up activity to review previously taught material, as guided practice during instruction, or as homework to reinforce classroom learning. The mix of multiple-choice questions and true/false statements makes it suitable for quick comprehension checks or as preparation for more comprehensive unit tests. This assessment aligns with NGSS standard MS-PS1-1, which requires students to develop models to describe the atomic composition of simple molecules and extended structures, and supports the understanding of how atoms combine to form compounds through ionic and covalent bonding patterns.

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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An ionic bond is the attraction between:

oppositely charged ions
similarly charged ions
neutral ions
neutral atoms

Tags

NGSS.HS-PS1-2

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

In the chemical formula for an ionic compound, which item is written first?

positive ion
negative ion
subscript
the female

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which two elements could form an ionic compound?

#6 carbon and #8 oxygen
#1 hydrogen and #7 nitrogen
#3 lithium and #9 fluorine
#5 boron and #10 neon

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

CaO 

Calcium monoxide
Monocalcium monoxide
Calcium oxide

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Ionic bonds form only between atoms of nonmetals.

True
False

Tags

NGSS.HS-PS1-2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When an atom of iodine becomes an ion, it is named iodide.

True
False

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following compounds is not an ionic compound?

barium oxide
lithium oxide
carbon dixoide
calcium chloride

Tags

NGSS.HS-PS1-2

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