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The charge on the atom containing 17 protons, 18 neutrons and 18 electrons is: (1) +1 (2) -2 (3) -1 (4)Zero Ans: -1
what are the applications of radioactivity in forensics, agriculture, medicine, engineering, and geology
The number of electrons in [ 40 19 k ] -1 is: (1) 19 (2) 20 (3)18 (4)40 Ans: 40
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Q. How can we obtain Boron? Boron is- obtained by the red-action of B 2 O 3 with magnesium or sodium B 2 0 3 is first prepared by strongly katingH 3 B0 3 which is obtained b
How many fluorescence photons will really be detected on average by the photo detector during a 10 ms acquisition window if one diIC12 molecule is located in the illuminated area?
how to do nomenclature in organic chemistry
Q. Describe about Electron Configurations? As you will study the number and arrangement of electrons around the nucleus of an atom determines its chemical properties. Consequen
applications and classifications
laws of chemical combination
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