Periodic Classification of Elements [NSO Level 1- Science Olympiad (SOF) Class 10]: Questions 1 - 7 of 90
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Question 1
Question MCQ▾
d – block elements is long term of periodic table are placed?
Choices
Choice (4) | Response | |
---|---|---|
a. | On the extreme right | |
b. | In the bottom | |
c. | In the middle | |
d. | On the extreme left |
Question 2
Question MCQ▾
An element having electronic configuration … is most electropositive?
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 3
Question MCQ▾
The ionic radius of a cation is always …
Choices
Choice (4) | Response | |
---|---|---|
a. | more than atomic radius | |
b. | equal to atomic radius | |
c. | less than atomic radius | |
d. | cannot to predicted |
Question 4
Question MCQ▾
In a period of periodic table, Metallic character decreases and the basic nature of their oxides … ?
Choices
Choice (4) | Response | |
---|---|---|
a. | Increases | |
b. | Does not change | |
c. | Decreases | |
d. | None of the above |
Question 5
Question MCQ▾
The elements which occupy their positions in periodic table just after the members of zero group are?
Choices
Choice (4) | Response | |
---|---|---|
a. | Alkali metals | |
b. | Metals | |
c. | Radioactive | |
d. | Gases |
Question 6
Question 7
Question MCQ▾
The elements with atomic numbers 10, 18,36, 54 and 86 are all?
Choices
Choice (4) | Response | |
---|---|---|
a. | Inert gases | |
b. | Light metal | |
c. | Halogens | |
d. | Rare earths |