Periodic Classification of Elements Quiz Online

Periodic Classification of Elements concepts are essential to learning for every level in chemistry courses. Here, we have compiled many Periodic Classification of Elements quizzes free for students of grades 11 and 12. We hope you will find this very useful for your regular exam preparations and entry tests at undergraduate levels, particularly for medical and engineering students (MDCAT, ECAT, NUST, NUMS, JEE, NEET).

INSTRUCTIONS:

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Results

#1. The concept of Triads was introduced by:

Al-Razi

Al-Razi

Dobereiner

Dobereiner

Mendeleev

Mendeleev

Newland

Newland

#2. Which element was not known when Mendeleev proposed his classification?

Germanium

Germanium

Hydrogen

Hydrogen

Copper

Copper

Sodium

Sodium

#3. Elements with similar chemical properties appear in the:

Same family

Same family

Right upper corner

Right upper corner

p block elements

p block elements

Same period

Same period

#4. Noble gases are named so because they are:

less reactive

less reactive

All

All

Having completely filled valence shell

Having completely filled valence shell

Zero group elements

Zero group elements

#5. In the modern periodic table, all the elements are arranged in ascending order of:

Atomic number

Atomic number

Atomic mass

Atomic mass

Valence electrons

Valence electrons

Valency

Valency

#6. The longest period in the modern periodic table is:

5th

5th

2nd and 3rd both

2nd and 3rd both

6th

6th

7th

7th

#7. Inner transition elements are called:

Actinides

Actinides

All

All

Lanthanides

Lanthanides

Rare earth metals

Rare earth metals

#8. Seventh period contains ______________ normal elements:

6

6

8

8

4

4

2

2

#9. Modern periodic table has been divided in _______ blocks:

8

8

4

4

7

7

2

2

#10. Non-metals usually form ______________ oxides:

Amphoteric

Amphoteric

Acidic

Acidic

Neutral

Neutral

All of the above

All of the above

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