Unit 8 Notes: Covalent Bonding

Presentation

•

Science

•

10th Grade

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Hard

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NGSS

HS-PS1-1, HS-PS1-2, HS-PS1-4

Standards-aligned

Used 1+ times

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5 Slides • 10 Questions

Open Ended

Describe the difference between an Ionic Bond and a Covalent Bond.

Type response here

Multiple Choice

BrO₃

bromine oxide

monobromine trioxide

bromine trioxide

bromine (III) oxide

Multiple Choice

As₄O₁₀

arsenic oxide

quadarsenic decoxide

tetraarsenic decoxide

arsenic decoxide

Multiple Choice

Why is it important for scientists to use prefixes when naming covalent compounds?

To indicate the number of atoms of each element in the compound

To make the names sound more scientific

To show the physical state of the compound

To identify the color of the compound

Open Ended

Explain the steps involved in drawing a Lewis structure for a covalent compound. Why is the octet rule important in this process?

Type response here

Multiple Choice

Which of the following is the correct Lewis dot structure for the molecule fluorine (F₂)?

Multiple Choice

Which of the following statements about octet exceptions is correct?

Second row elements like C, N, O, and F can have expanded octets.

Boron and beryllium often have incomplete octets and are very reactive.

Third row elements never have more than eight electrons.

All elements must always obey the octet rule.

Multiple Choice

Which of the following bonds is considered a polar covalent bond?

C-H bond (Electronegativity difference = 0.35)

H-F bond (Electronegativity difference = 1.80)

Na-F bond (Electronegativity difference = 3.07)

Cl-Cl bond (Electronegativity difference = 0)

Multiple Choice

The symbols W, X, Y, and Z represent four elements shown on the outline of a periodic table.
Which element has the highest electronegativity?

Multiple Choice

Based on electronegativity trends in the periodic table, which of the following is the most likely value for the electronegativity of silicon?

2.44

1.23

2.22

2.03

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