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Q. How to calculate atomic number?
Atoms have no net electrical charge for the reason that they contain equal numbers of electrons and protons. Therefore positive charges (protons) and negative charges (electrons) balance out. Protons, Electrons and atomic number are related as follows.
Atomic number = number of protons = number of electrons
PbO2 + Cl_ gives Pb(OH)3_ + ClO_
A mixture is prepared by adding 25.0 mL of 0.185 M Na3PO4 to 34.0 mL of 0.140 M Ca(NO3)2. (a) What mass, in grams, of calcium phosphate will be formed? What will be the concentrati
A hydrocarbon z with molecular mass 78 on combustion gave 3.384g of carbon (IV) oxide and 0.693g of water. Determine the molecular formula of Z and draw its structure. [H=1, C=12,
a. Calculate the global radiation density (kWh/m 2 ) received by five panels located in San Jose on July 1, 2012: Panel A: Tilt=37.3 o , Azimuth=180 o (South) Panel B: Ti
curd formation in soya milk
strain theory
obtain the mole of substance in the following. 7.05g Br2
Q. Evaluate Total Solids in Milk? Total solids determination is a common procedure in many manufacturing plants using dairy products. The total solids in milk can be calculat
Reaction involving cleavage of with removal of 'H' as proton Alcohols are stronger acids as compared to terminal acetylene but are not acidic enough to react along with aqueous
hoe to find electronic configuration of elements
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