Advertisements
Advertisements
प्रश्न
Among the following the odd pair is
पर्याय
\[\ce{^18_8{O}}\], \[\ce{^19_9{F}}\]
\[\ce{^40_18{Ar}}\], \[\ce{^14_7{N}}\]
\[\ce{^30_14{Si}}\], \[\ce{^31_15{P}}\]
\[\ce{^40_20{Cr}}\], \[\ce{^39_19{K}}\]
उत्तर
\[\ce{^40_18{Ar}}\], \[\ce{^14_7{N}}\]
APPEARS IN
संबंधित प्रश्न
State one use of radioactive isotopes in medicine.
Complete the following statements :
Isotopes have different mass numbers because their nuclei contain different number of ............
Some boron atoms have mass number 10 and some have mass number 11. These boron atoms with different mass numbers are called .............
Give one use each of the following radioactive isotopes :
(a) Uranium-235
(b) Cobalt-60
What is the reason for the slightly different physical properties of all the isotopes of an element ?
Explain why, the atomic masses of many elements are in fractions and not whole numbers.
The isotopes of an element contain :
Define the following form:
Isotope
Define isotopes. Give example.
Name the radioactive isotope used to find the age of fossils. Name the radioactive radiation which it emits?
In two isotopic species, a number of protons is the same but the number of ______ is different.
