C1+ C2

Question 1

What is valency

Answer 1

Number of electrons on outer shell

Question 2

What is represented in the Lewis representation?

Answer 2

Only the valence electrons are represented

Question 3

What does the element letter represent ?

Answer 3

Kernel represents the nucleus and NON valence electrons

Question 4

Octet rule

Answer 4

Aiming to achieve to valence e for H and 8 e for other elements as this makes it very stable

Question 5

How to calculate charge

Answer 5

A.determine the number of valence electrons for A
B. For atom on the molecule add,no of non bonded valence electrons and half no of shared electrons B

Question 6

Comparing charge

Answer 6

A=B no charge
If A<b>B the charge is positive by the difference</b>

Question 7

What’s the octet rule

Answer 7

Aiming for an arrangement of 2 valence electrons around H and 8 around others as its stable and desirable

Question 8

Name of quaternary cation

Answer 8

Ammonium

Question 9

Name if quaternary phosphonium cation

Answer 9

Phosphonium

Question 10

Tertiary sulfonium cation

Answer 10

Sulphonium

Question 11

What are acyl halides

Answer 11

Double bod linked to a halide group / oyl halides

Question 12

Amides

Answer 12

C=O and NH2

Question 13

Nitrile

Answer 13

C triple bond N
Has a prefix of cyano

Question 14

Thiol

Answer 14

Has a SH groups

Question 15

Amine

Answer 15

NH2