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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
give 2 exaples of computatins in stoichiometry
can i have some problems regarding law of conservation of mass
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density of gas is 2.86 ltr.the gas may be-
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