Page 1 - 4. Home Assignment Ch-5 TREND IN THE PROPERTIES

SAI International School
Class-X

Subject - Chemistry
Topic- Periodic Classification
Sub topic- Modern Periodic Classification

(Characteristics of Periods & groups)

Home Assignment
Objective-
Q.1 The element with smallest size in the 3 period is-
rd
(a) chlorine (b) iodine
(c) fluorine (d) bromine

Q.2
An element belongs to group 17. It is present in the third period. What is the
atomic number of the element belonging to same group and present in
second period?
(a) 37 (b) 09
(c) 35 (d) 17

Q.3
Listed below are the locations of certain elements in group and periods of the
periodic table.
Arrange these elements in the expected order of increasing non-metallic
character.
1. Element in the fourth period and group 02
2. Element in the third period and group 16
3. Element in the second period and group 16
4. Element in the third period and group 13
5. Element in the second period and group 17.
The correct order is:

(a) 1<4<2<3<5
(b) 5 < 4 < 3 < 2 < 1
(c) 4<1<3<2<5
(d) 5<4<2<1<3

➢ For Assertion& Reason question follow the following directions.
DIRECTION: Each of these questions contains an Assertion followed by Reason.
Read them carefully and answer the question on the basis of following options. You
have to select the one that best describes the two statements.
(a) If both Assertion and Reason are correct and Reason is the correct explanation of
Assertion.
(b) If both Assertion and Reason are correct, but Reason is not the correct
explanation of Assertion.
(c) If Assertion is correct but Reason is incorrect.

(d) If Assertion is incorrect but Reason is correct.
(e) If Assertion & Reason both are incorrect.

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