
Online Class 25/8/2024 Lewis Structures
Authored by ZATUL BM
Chemistry
12th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ALUMINIUM has ___________ valence electrons
2
3
13
14
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CHLORINE has _________ valence electrons.
7
17
8
5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
XENON has _________ valence electrons.
18
8
17
7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Between C, H, O and N, which atom is more electropositive?
C
H
O
N
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the total number of valence electrons in carbon dioxide (CO2) molecules?
12
24
28
16
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the total number of valence electrons in Ammonium ion (NH4+).
9
8
10
12
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which element should be used as the central atom of a Lewis structure?
The least electronegative element will be the central atom.
The most electronegative will be the central atom.
The largest atomic radius will be the central atom.
The smallest atomic radius will be the central atom.
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