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Unit 3 Review Bonding

Authored by Sabrina Rosal

Chemistry

12th Grade

NGSS covered

Used 3+ times

Unit 3 Review Bonding
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40 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Given the balanced equation representing a reaction: Cl2(g) → Cl(g) + Cl(g) What occurs during this change?

Energy is absorbed and a bond is broken.

Energy is absorbed and a bond is formed.

Energy is released and a bond is broken.

Energy is released and a bond is formed.

Tags

NGSS.HS-PS1-4

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which statement describes the process represented by this equation? I+I→ I2

A bond is formed as energy is absorbed.

A bond is formed and energy is released.

A bond is broken as energy is absorbed.

A bond is broken and energy is released.

Tags

NGSS.HS-PS1-4

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which statement describes what occurs as a sodium atom combines with a chlorine atom to form a compound?

Energy is absorbed and a bond is formed.

Energy is absorbed and a bond is broken.

Energy is released and a bond is formed.

Energy is released and a bond is broken.

Tags

NGSS.HS-PS1-4

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which of these elements has an atom with the most stable outer electron configuration?

Ne

Cl

Ca

Na

Tags

NGSS.HS-PS1-1

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The elements Li and F combine to form an ionic compound. The electron configurations in this compound are the same as the electron configurations of atoms in Group

1

14

17

18

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which element has atoms with the greatest attraction for electrons in a chemical bond?

beryllium

lithium

fluorine

oxygen

Tags

NGSS.HS-PS1-1

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which formula represents an ionic compound with covalent bonds?

H₂

CH4

CH3OH

NH4Cl

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