Periodic Classification Of Elements Class 10 MCQ Online Test

Periodic Classification Of Elements Class 10 MCQ Online Test

The ideal gases were in ____ group of Mendeleev’s periodic table.

 
 
 
 

__________ gave the idea for the first time to classify elements as per their properties.

 
 
 
 

Which of the following is not Dobereiner triad?

 
 
 
 

The property of every eight elements is similar to that of the 1st element. This is proposed by ___________

 
 
 
 

Newlands relation is called

 
 
 
 

Upto which element, the Law of Octaves was found applicable?

 
 
 
 

In Mendeleev’s Periodic Table, gaps were left for the elements to be discovered later. Which of the following elements found a place in the Periodic Table later?

 
 
 
 

At the time of Mendeleev, the number of elements known was

 
 
 
 

The properties of eka-aluminium predicted by Mendeleev are the same as the properties of later discovered element:

 
 
 
 

An atom of an element has the electronic configuration 2,8,2. To which group does it belong?

 
 
 
 

The arrangement of elements in the Modem Periodic Table is based on their

 
 
 
 

Where would you locate the element with electronic configuration 2, 8 in the Modern Periodic Table?

 
 
 
 

Element ‘X’ forms a chloride with the formula XCl2, which is a solid with high melting point. X would most likely be in the same group of the periodic table as:

 
 
 
 

Carbon belongs to the second period and Group 14. Silicon belongs to the third period and Group 14. If atomic number of carbon is 6, the atomic number of silicon is

 
 
 
 

Pick out the chemically most reactive elements from the given triads.

Li, Na, K F, Cl, Br

 
 
 
 

What is the atomic number of element of period 3 and group 17 of the Periodic Table?

 
 
 
 

Which one of the following statements is not correct about the trends in the properties of the elements of a period on going from left to right?

 
 
 
 

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?

 
 
 
 

An element X from group 2 of the Periodic Table reacts with Y from group 17 to form a compound. Give the formula of the compound.

 
 
 
 

A metal ‘M’ is in the first group of the Periodic Table. What will be the formula of its oxide?

 
 
 
 

Class 10 Science Online Test (Chapter-wise)

Chapter 1: Chemical reactions and equationsOnline TestMCQs and Answers
Chapter 2: Acids, bases and saltOnline TestMCQs and Answers
Chapter 3: Metals and Non-metalsOnline TestMCQs and Answers
Chapter 4: Carbon and Its CompoundsOnline TestMCQs and Answers
Chapter 5: Periodic Classification Of ElementsOnline TestMCQs and Answers
Chapter 6: Life ProcessesOnline TestMCQs and Answers
Chapter 7: Control and CoordinationOnline TestMCQs and Answers
Chapter 8: How do Organisms Reproduce?Online TestMCQs and Answers
Chapter 9: Heredity and EvolutionOnline TestMCQs and Answers
Chapter 10: Light Reflection and RefractionOnline TestMCQs and Answers
Chapter 11: The Human Eye and Colourful WorldOnline TestMCQs and Answers
Chapter 12: ElectricityOnline TestMCQs and Answers
Chapter 13: Magnetic Effects of Electric CurrentOnline TestMCQs and Answers
Chapter 14: Sources of EnergyOnline TestMCQs and Answers
Chapter 15: Our EnvironmentOnline TestMCQs and Answers
Chapter 16: Sustainable Management of Natural ResourcesOnline TestMCQs and Answers

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