1.
Isotopes have same chemical properties because ___
3.
Isotones have same ___
4.
Emission and absorption lines of the same substance are found at
5.
In Thomson model, positive charge is ___
6.
Isobars show different chemical properties because ___
7.
Line spectrum is used in
8.
Isotopes have the same ___
9.
Which is an example of isomorphs?
10.
Thomson’s model describes atom as ___
11.
Isotopes differ in ___
12.
Isodiaphers have same ___
14.
Isoelectronic species must have same ___
15.
Line spectra of elements are identical because of
16.
Isoelectronic species have same number of ___
17.
Heaviest isotopes are generally ___
18.
Thomson’s model assumes mass is ___
19.
In isobars, the sum of ___ remains same
20.
F¹⁹ and K³⁹ are isodiaphers because both have ___
21.
A − 2Z constant defines ___
22.
CN⁻, CO, N₂, NO⁺ have ___ electrons each
23.
Absorption spectrum consists of
24.
Isoelectronic species must have same ___
25.
Rutherford disproved Thomson because ___
27.
Thomson’s model was rejected by ___
28.
Isosters and isoelectronic species are ___
29.
Absorption spectrum is formed when atoms
30.
⁴⁰Ca and ⁴⁰Ar are ___
31.
Two elements can never have identical line spectra because they have different
32.
Isobars have same ___
33.
Heavy isotopes are generally ___
34.
Isotopic effect is greater in ___
35.
Species with same isotopic number belong to ___
36.
Species with same number of atoms & electrons are ___
38.
Example of isotopes of carbon
39.
¹⁴C, ¹⁵N, ¹⁶O are isotones because they all have ___ neutrons
40.
The missing wavelengths in a continuous spectrum represent
41.
Isotopes can be separated by ___
42.
Emission spectrum of atoms in gaseous phase appears as
43.
Line spectrum consists of
44.
In Thomson’s model electrons are ___
45.
Isomorphs share same ___
