SCH3U Bonding Quiz Flashcards Preview

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Flashcards in SCH3U Bonding Quiz Deck (10):
1

What is the purpose of bonding?

The purpose is to acheive stability (stable octet).

2

Explain what pure covalent bonds are and their method of bonding.

Non-metal atoms only bond through equal sharing of electrons.

3

Explain what polar covalent bonds are and their method of bonding.

Electrons are unequally shared. The more electronegative atom has the greater pull of the electron.

4

Explain what ionic bonds are and their method of bonding.

The transfer of electrons from a metal to a non-metal ion. The electrostatic attraction of the two oppositely charged ions bonds them together.

5

Explain what metallic bonds are and their method of bonding.

Metal cations and electrons float in a sea.

6

What are polar molecules? What are the qualifications for a molecule to be polar?

They are asymmetrically shaped molecules and have at least 1 polar covalent bond.

7

What is range of ΔEN of Pure covalent bonds?

0-0.5

8

What is the range of ΔEN for polar covalent bonds?

0.5-1.7

9

What is the range of ΔEN of ionic bonds?

1.7 to 3.3

10

Name the 5 shapes of polar molecules.

Linear, angular or bent, trigomal planar, trigomal pyramidal, tetrahedral.