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Q. Determine the Number of neutrons? Isotopes of an element can as well be specified by writing the mass number of the isotope following a hyphen after the name of the element.
Orgel Diagrams of d-orbital systems
what is the relation between gram atomic mass and avogadro''s no ?
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
Different Atomic Models
why lanthanides and actinides are known as inner transition elements
Which of the following configuration is correct for iron : (1) 1s 2 , 2s 2, 2p 6 , 3s 2 , 3p 6 ,, 3d 5 (2) 1s 2 , 2s 2 , 2p 6 , 3s 2 ,3p 6 , 4s 2 , 3d 5 (3)
Chemical nature
WHAT ARE THE ELEMENTS OF DETERMINED QUALITATIVE ANALYSIS
Q. What is the electromagnetic spectrum? Ans. Light is a very small slice of the electromagnetic spectrum, just the wavelengths that our eyes can see, which range from abo
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