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Which of the following explains the sequence of filling the electrons in different shells:
(1) Hund's rule
(2) Octet rule
(3) Aufbau principle
(4) All of these
Ans: Aufbau principle
Carbon has maximum catenation ability. The self-linkage of the atoms of elements to make long chains is known as catenation.
Between a proton and electron in a hydrogen atom = 3.16 x 10 47 A 0
what is the equivalent weight of Ca in Ca3(PO4)2?
Classify each reaction and give the name of all the chemical formula involved for each number. 1. Na2CO3(s) + SiO2(s) ? Na2SiO3(l) + CO2(g) 2. 2 Mg(NO3)2(s) ? 2 Mg(NO2)2(s) + O2
What are the general methods for preparation of cycloalkane
This compound, 1,3,5-cyclohexanetrione, exists as its "triene-triol" isomer phloroglucinol because the latter is aroma
what is uniform electrical charge
What are the advantages of graphite furnace AAS? tell the history of graphite furnace AAS
why is filtration in soil and water a slow process and explain the colour change in the filtrate
Difference between diagonal relationship between Be and Al
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