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Q. How to evaluate mass number?
An isotope of an element is recognized by its mass number which is the sum of the number of protons and neutrons in the atom's nucleus.
Mass number = number of protons + number of neutrons
When texting the symbol for an isotope write the atomic number and mass number as shown in the following examples.
H atom with one proton and no electrons H atom with one proton and one neutron
Carbohydrates The carbohydrates are naturally taking place organic molecules. They exist in both of the animals and plants. "Carbohydrates are ddescribed as a class of comp
What is the difference between reaction stoichiometry and composition stoiciometry?
SHOW A LABELED SCHEMATIC DIAGRAM OF A SINGLE BEAM ATOMIC ABSORPTION SPECTROSCOPY
What is the net charge of a non-ionized atom? In an atom, the number of protons is equivalent to the number of electrons and that single proton has the similar positive charge v
The radius of which of the following orbit is same as that of the first Bohr's orbit of hydrogen atom: (1) He + (n= 2) (2) Li 2+ ( n= 2) (3) Li 2
Formic Acid or Methanoic acid (HCOOH) Formic acid is the very first member of monocarboxylic acids series. It takes place in the sting of bees, wasps, red ants, stinging nettle
defination and examples
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Define the following observations: (i) Most of the known noble gas compounds are those of xenon. (ii) CIF3 exists but FCI 3 does not. (iii) Between the hydrides of elemen
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