Calculate the mass of each element in the compound by multiplying its molar mass by the
number of moles of the element present in one
mole of the compound.
mass N =
g
mass Ha
g
mass O =
g
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Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false

Element j is 1s 2s 2p 3s . (i) how many unpaired electrons does j have? (ii) is j a good oxidizing agent or a reducing agent? (iii) state reason for the answer.