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Q. What is alpha radiation?
Types of radiation there are three principal types of radiation are given off during radioactive decay. One kind is alpha radiation (α-radiation) which consists of alpha particles ejected from the nucleus. An alpha particle is equal to a helium-4 nucleus that is a nucleus with two protons and two neutrons. Alpha particles have a 2+ charge.
Differential extraction - Purification of organic compounds This technique is employed for the separation of an organic compound that solid or liquid from its aqueous soluti
Why do zinc hydroxide, aluminium hydroxide and lead (II) hydroxide dissolve in excess aqueous sodium hydroxide?
lanthanide element and their electronic configuration
This is an acid-catalyzed addition to the double bond much like hydration, except that an alcohol rather than water is the nucleophile that reacts with the carbocation intermediate
The electronic configuration of calcium ion ( Ca2 + ) is: (1) 1s 1 , 2s 2, 2p 6 , 3s 2 , 3p 6 , 4s 2 (2) 1s 1 , 2s 2 , sp 6 , 3s 2 , 3p 6 , 4s 1
The energy of an electron in the first Bohr orbit of H atom is-13.6eV . The possible energy value(s) of the excited state(s) for electrons in Bohr orbits to hydrogen is(are):
Q. What are Independent and dependent variables? An experiment is a set of controlled explanation that tests a hypothesis. In a research a scientist will set up and change on
examples of spd arrangement
define defination,
The nitrogen atom has 7 protons and 7 electrons, the nitride ion (N 3 -) will have: (1) 7 protons and 10 electrons (2) 4 protons and 7 electrons (3) 4 protons and 10 e
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