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Q. Determine Atomic Number and Mass Number? One of the four naturally taking place isotopes of chromium has a mass number of 53. Determine the number of electrons, protons and
A sub-shell l= 2 can take how many electrons: (1) 3 (2) 10 (3) 5 (4) 6 Ans: 10
We can find a compound is acid or base by using litmus test. Acides turnes red litmus to blue colour, in case of base it turnes blue litmus to red.(or) According to arrhenius
define every property of each element
In the study of mechanisms of various chemical reactions, Deuterium and Tritium are used as tracers.
The number of neutron in tritium is : (1) 1 (2) 2 (4) 3 (4) 0 Ans: 2
Ionic bonds are usually formed by combination of elements with: (1) High ionisation potential and low electron affinity (2) Low ionisation potential and high electron affini
how do I find an empirical formula?
explain the construction of calomel electrode.explain how this electrode is used to determine the potential of an unknown electrode
Classification of Coordination Compounds Since the number of known complexes is so large, we need to classify and categorise them in order to study their chemistry systematica
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