

Periodic Table
Presentation
•
Chemistry
•
12th Grade
•
Practice Problem
•
Medium
CATHERINE Moe
Used 24+ times
FREE Resource
15 Slides • 7 Questions
1
Chapter 9
Periodic Table

2
Intoduction
The Periodic Table has more than 103 elements arranged in increasing atomic number (proton number)
It is so named because similar chemical and physical properties occur at regular intervals (PERIOD) of the table
It has 🡪 18 groups (vertical columns : Group 1-18)
🡪 7 periods (rows : Period 1-7)
3
4
Multiple Choice
Elements in the same Group of the Periodic Table have similar electronic configurations
Yes
No
5
Multiple Choice
Mg, Ca, Sr and Ba are Group 2 elements because...
they have same physical properties
they are alkali metals
they have two valence electrons
6
7
Electronic Configuration and Position in Periodic Table
(2 min)
8
Multiple Choice
Choose the correct electronic configuration for sulphur.
[Ar of S = 16)
1s2 2s2 2p6 3s2 3p2
1s2 2s2 2p6 3s2 3p4
9
Multiple Choice
Element Y has a valence electronic configuration of ns2 np5
In which block is Y in?
s
p
d
10
Multiple Choice
What is the element which has valence electronic configuration of 3d3 4s2?
Sn
Ti
V
Sc
11
Multiple Choice
Element X has 4 valence electrons which occupy the 4th energy level.
identify the location of X in the Periodic Table.
Group 4, Period 4
Group 14, Period 4
Group 4, Period 3
12
13
14
15
16
17
18
19
20
21
22
Multiple Choice
Which of the species is larger in size?
Ca
Mg
Ba
Be
Chapter 9
Periodic Table

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