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Explain the following observations:
(i) Generally there is an increase in density of elements from titanium (Z = 22) to copper (z =29) in the first series of transition elements.
(ii) Transition elements and their compounds are generally found to be good catalysts in chemical reactions.
You are given a sample block of an unknown metal. The block displaces 3.24 mL of water and has a mass of 62.5429 g. What is the density of the unknown metal? What is the metal?
graph for the titration of barium chloride versus sodium sulphate
Electronic configuration of C is: (1) 1s 2 , 2s 2 , 2p 2 , (2) 1s 2 , 2s 2 , 2p 3 (3) 1s 2 , 2s 2 , (4) 1s 2 , 2s 2 , 2p 6
What is electromagnetism
Reactions that are classified as oxidation-reduction (redox) reactions all have the common trait that electrons leave one component (that is, getting oxidized) to be taken up by an
Which of the following represents the electronic configuration of an element with atomic number 17: (1) 1s 2, 2s 2 , 2p 6 , 3s 1, 3p 6 (2) 1s 2 , 2s 2 , 2p
Borazole is very stable because it is aromatic; each nitrogen contributes two p electrons and each boron contributes zero electrons, for a total of six p electrons in the aromatic
Q. What are Independent and dependent variables? Independent variables are the parameters such as ingredients and processing condition which have effect on product quality. Dep
INTRODUCTION : In this exercise you will learn various steps and procedures adopted while purchasing lab-related items. This exercise will acquaint you with practices of preparing
Explain the term Forging with diagram Forging is shaping of metal either by steady compression or impact between a hammer or ram and anvil. Related to pressing of metal or
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