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Basic Concepts Set 5
Results
#1.
1 Smallest particle of an element which may or may not have independent existence
a molecule
a molecule
an atom
an atom
an ion
an ion
an electron
an electron
#2.
The number of atoms present in a molecule determine its
molecularity
molecularity
basicity
basicity
acidity
acidity
atomicity
atomicity
#3.
When an electron is added to a unipositive ion we get
anion
anion
cation
cation
neutral atom
neutral atom
molecule
molecule
#4.
CO+ is an example of:
free radical
free radical
cationic molecular ion
cationic molecular ion
an ionic molecular ion
an ionic molecular ion
stable molecule
stable molecule
#5.
Relative atomic mass is the mass of an atom of an element as compared to the mass of
oxygen
oxygen
hydrogen
hydrogen
nitrogen
nitrogen
carbon
carbon
#6.
Isotopes are the sister atoms of the same element with similar chemical properties and different
atomic number
atomic number
atomic mass
atomic mass
atomic volume
atomic volume
atomic structure
atomic structure
#7.
The instrument which is used to measure the exact masses of different isotopes of an element called
I.R. Spectrophotometer
I.R. Spectrophotometer
U.V. Spectrophotometer
U.V. Spectrophotometer
Mass Spectrometer
Mass Spectrometer
Calorimeter
Calorimeter
#8.
Mass spectrometer separates different positive isotopic ions on the basis of their
mass value
mass value
m/e value
m/e value
e/m value
e/m value
change value
change value
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