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Q. What do you mean by Isotopes?
Isotopes and mass number although all atoms of an element have the same number of protons most elements have atoms with different numbers of neutrons. For instance because the atomic number of hydrogen is one all atoms of hydrogen must have one proton (and one electron). Nevertheless hydrogen atoms are able to have different numbers of neutrons. Around 99985 out of every 100000 naturally occurring hydrogen atoms have no neutrons. But the remaining 15 out of every 100000 hydrogen atoms have one neutron. Atoms with the similar number of protons but different numbers of neutrons are called isotopes. Hydrogen has two naturally taking place isotopes.
Longest chain Rule - IUPAC system of nomenclature The primary step in naming an organic compound is to choose the longest continuous chain of carbon atoms that may or may not
Physical Properties of Oxalic Acid (a) Oxalic Acid is a colourless crystalline solid. It contains two molecules of water as water of crystallisation. (b) The hydrated form h
Conductance and conductivity: When a field (electric) is put across an aqueous ionic solution by applying a voltage between two parallel plate electrodes, the cations are attra
role of modifiers in solvent extraction of metal ion
Which one is the strongest bond: (1) Br- F (2) F-E (3) Cl-F (4) Br- Cl Ans: Br- F
The compound in which cation is isoelectronic with anion is : (1) NaCl (2) CsF (3) NaI (4) K 2 S Ans: K 2 S
How can you find the formula for a specific ion?
What is the chemical formula for hard water?
all about isotopes
what is pH value?
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