Phosphorus 31. because the mass of sulfur 32 minus the number of protons 16 = 16 neutrons and the mass of phosphorus 31 minus the number of protons 15 = 16 neutrons
Final answer: phosphorus 31
2Na + Cl2 ----> 2NaCl
.: product have to be " 2NaCl "
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The cutoff frequency for a certain element is 1.22 x 1015 Hz this is its
work function in eV that is Work done = 5.05 eV.
<h3>What is supposed through a piece function?</h3>
Definition of labor function is the power this is wished for a particle to return back from the indoors of a medium and spoil via the surface —used particularly of the photoelectric and thermionic emission of electrons from metals paintings function.
- Work function = hf
- h= planks constant.
- f= frequency.
- W = 6.626 10^-34 1.22* 10^15.
- W = 8.08 10^-19 / ( 1.6 10^-19)
- W = 5.05 eV.
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Acetylene can be converted into acetic acid in 2 steps:
1. reaction of acetylene with water (in the presence of sulphuric acid, and mercuric sulphate as catalysts) to produce acetaldehyde.
2. acetaldehyde is then oxidized (with potassium dichromate for example) to produce acetic acid.
this overall reaction is given by the following equation:
