24 Questions
Which scientist is credited with inventing the periodic table of elements?
Mendeleev
What is the significance of Mendeleev's periodic table in terms of atomic masses?
It revealed some vacant places where atomic masses were predicted for unknown elements.
What do the molecular formulas like R2O, R2O3, etc., represent in Mendeleev's periodic table?
Predicted atomic masses of unknown elements
Which element group is represented by RH4, RO2, and RH3 in Mendeleev's periodic table?
Group V
Which scientist is associated with the concept of Dobereiner's triads?
Mendeleev
What is the characteristic property of the eighth element in a triad according to Dobereiner's concept?
Properties of the eighth element similar to the first
What is the atomic number of an element with electron configuration 2,8,2?
12
Which block of the modern periodic table are nonmetals typically found in?
P-block
What was the basis of Dobereiner's classification of elements into triads?
Atomic mass
How did Dobereiner arrange the three elements in a triad?
In increasing order of atomic mass
Why were all the known elements not able to be classified into Dobereiner's triads?
Due to the limitation of only considering atomic mass
From the given groups of elements, which group can be identified as a Dobereiner's triad?
Mg (24.3), Ca (40.1), Sr (87.6)
How can the history of philosophy be useful in understanding ideologies?
By explaining the origin of various ideologies and intellectual traditions
Why is knowledge of the history of language valuable in understanding philosophy?
To explain the philosophical expressions vividly
What drives scientific discoveries and inventions?
Human efforts to fulfill a need and curiosity
What does the history of science help in understanding?
The cause-effect chain leading to scientific discoveries
What is another name for 'Applied History' as mentioned in the text?
Public History
How does 'Public History' help overcome misconceptions about the usefulness of studying history?
By making history meaningful in everyday life for people
Which institute mentioned in the text has an independent department named 'Centre for Public History'?
Srushti Institute of Art Design and Technology
What does 'Applied History' focus on according to the text?
Applying history for the benefit of people in contemporary and future contexts
What is one of the key roles of applied history in public training programmes?
Creating social awareness about historical artifacts
Which professionals are mentioned as necessary for projects in the field of applied history?
Architects, engineers, legal experts
What is the purpose of establishing a centre for dissemination of 'films culture' as mentioned in the text?
To preserve heritage films for future generations
Which experts are NOT mentioned as required for various fields related to applied history?
Astronomers
Test your knowledge on the atomic weights of chemical elements with this quiz. Practice identifying elements along with their atomic weights in different groups.
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