1.
Emission and absorption lines of the same substance are found at
2.
The missing wavelengths in a continuous spectrum represent
3.
In Thomson model, positive charge is ___
4.
Isotopes have the same ___
5.
Rutherford disproved Thomson because ___
6.
Example of isotopes of carbon
7.
Isotopic effect is greater in ___
8.
In Thomson’s model electrons are ___
9.
Which is an example of isomorphs?
10.
Absorption spectrum is formed when atoms
11.
Isomorphs share same ___
12.
Isobars differ in ___
13.
Isotopes have same chemical properties because ___
14.
Isoelectronic species must have same ___
15.
⁴⁰Ca and ⁴⁰Ar are ___
16.
A − 2Z constant defines ___
17.
Line spectrum consists of
18.
Isoelectronic species must have same ___
19.
Isotopes can be separated by ___
20.
Isoelectronic species have same number of ___
21.
Species with same number of atoms & electrons are ___
22.
Isobars show different chemical properties because ___
23.
Heavy isotopes are generally ___
24.
Thomson’s model assumes mass is ___
25.
Isobars have same ___
26.
Isotones have same ___
27.
Absorption spectrum consists of
28.
¹⁴C, ¹⁵N, ¹⁶O are isotones because they all have ___ neutrons
32.
Line spectra of elements are identical because of
33.
CN⁻, CO, N₂, NO⁺ have ___ electrons each
34.
In isobars, the sum of ___ remains same
35.
Thomson’s model was rejected by ___
36.
F¹⁹ and K³⁹ are isodiaphers because both have ___
37.
Isodiaphers have same ___
38.
Species with same isotopic number belong to ___
39.
Heaviest isotopes are generally ___
40.
Line spectrum is used in
41.
Two elements can never have identical line spectra because they have different
42.
Thomson’s model describes atom as ___
43.
Isotopes differ in ___
44.
Isosters and isoelectronic species are ___
45.
Emission spectrum of atoms in gaseous phase appears as
