Periodic classification of elements
Quiz
•
Chemistry
•
10th Grade
•
Medium
Vijila Mahesh
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1.Newlands relation is called
a) Musical Law
(b) Law of Octaves
(c) Periodic Law
(d) Atomic Mass Law
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.At the time of Mendeleev, the number of elements known was
(a) 63
(b) 65
(c) 62
(d) 64
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3.An atom of an element has the electronic confi-guration 2,8,2. To which group does it belong?
(a) 4th group
(b) 6th group
(c) 3rd group
(d) 2nd group
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4.The arrangement of elements in the Modem Periodic Table is based on their
(a) increasing atomic mass in the period
(b) increasing atomic number in the horizontal rows
(c) increasing atomic number in the vertical columns
(d) increasing atomic mass in the group
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5.Pick out the chemically most reactive elements from the given triads.
(a) Li and F
(b) Li and Br
(c) K and F
(d) K and Br
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6.What is the atomic number of element of period 3 and group 17 of the Periodic Table?
(a) 10
(b) 4
(c) 17
(d) 21
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The elements A, B and C belong to groups 1, 14 and 17 respectively of the Periodic Table. Which two elements will form ionic compounds?
(a) A and B
(b) A and C
(c) B and C
(d) None
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