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प्रश्न
Mass of one atom of oxygen is
विकल्प
`16/(6.023 xx 10^23)"g"`
`32/(6.23 xx 10^23) "g"`
`1/(6.023 xx 10^23)"g"`
8u
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उत्तर
`16/(6.023 xx 10^23)"g"`
Mass of one atom of oxygen
= `"Atomic mass"/"N"`
`16/(6.023 xx 10^23)"g"`
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संबंधित प्रश्न
Define: Elements-
An element which can exhibit valencies of 2, 4 and 6 can be :
Give the symbol of the following element:
Oxygen
State the type of element for the following:
Boron
State the most reactive and the least reactive metal from the following – Zn, Ag, Na, Fe, Cu, Pb.
Give the symbol of the following element:
Sulphate
State the valency of the following metallic element and write symbol with the valency
Calcium
State the valency of the following metallic element and write symbol with the valency
Aluminium
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Silver
write symbol with the variable valency
What is the expansion of IUPAC.
