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U3 Chemical Bonding Review

Authored by Jessica Sanderson

Chemistry

9th Grade

NGSS covered

Used 9+ times

U3 Chemical Bonding Review
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15 questions

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1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Oxygen (O) atoms will combine with Hydrogen atoms to form water molecules (H2O). Which statement explains the process through which these molecules are formed?

two oxygen atoms share some of their protons with Hydrogen atoms

2 hydrogen atoms share their valence electrons with one oxygen atom

protons are transferred from one oxygen atom to the other oxygen atom

electrons are transferred from one hydrogen atom to the other oxygen atom

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

When an atom of sodium and an atom of fluorine combine to form a salt compound, sodium fluoride is formed through an ionic bond. Which statement correctly describes the behavior of the valence electron in the ionic bond?

an electron from the fluorine atom moves to the sodium atom forming 2 ions

an electron from the sodium atom moves to the fluorine atom forming 2 ions

an electron from the fluorine atom is shared with the sodium atom forming a sodium ion

an electron from the fluorine atom is shared with the sodium atom forming a fluorine ion

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Aluminum oxide, Al2O3, is produced by combining Al3+ and O2- particles.  What type of compound has been formed?

ionic

metallic

covalent

molecular

Tags

NGSS.HS-PS1-3

4.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

An ionic bond typically forms between certain types of elements.  Which pair of elements will form an ionic compound?

N and O

K and Cl

Na and Cu

Li and Mg

Tags

NGSS.HS-PS1-3

5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

 Iron oxides, such as rust, form when iron metal reacts with oxygen in the air. What are the chemical symbols for the two elements found in iron oxide?

I and O

Ir and O

Fe and O

Pb and O

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Which part of a sodium atom is transferred when an ionic bond is formed with another atom?

proton

neutron

electron

outer electron

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Media Image

How many elements are in the compound shown in the image?

2

3

4

5

Tags

NGSS.MS-PS1-1

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