1.
Isotones have same ___
2.
Which is an example of isomorphs?
3.
Heavy isotopes are generally ___
4.
In Thomson’s model electrons are ___
5.
Isotopic effect is greater in ___
6.
A − 2Z constant defines ___
7.
In isobars, the sum of ___ remains same
8.
Isodiaphers have same ___
9.
Two elements can never have identical line spectra because they have different
10.
Emission and absorption lines of the same substance are found at
11.
¹⁴C, ¹⁵N, ¹⁶O are isotones because they all have ___ neutrons
12.
Line spectrum is used in
13.
Species with same number of atoms & electrons are ___
14.
Isotopes have the same ___
15.
The missing wavelengths in a continuous spectrum represent
16.
Isoelectronic species must have same ___
17.
Heaviest isotopes are generally ___
18.
F¹⁹ and K³⁹ are isodiaphers because both have ___
19.
Thomson’s model was rejected by ___
20.
Isobars show different chemical properties because ___
21.
Line spectrum consists of
22.
Example of isotopes of carbon
23.
Thomson’s model assumes mass is ___
25.
Isobars have same ___
26.
Line spectra of elements are identical because of
28.
Thomson’s model describes atom as ___
29.
Isotopes can be separated by ___
30.
Species with same isotopic number belong to ___
31.
Isomorphs share same ___
32.
CN⁻, CO, N₂, NO⁺ have ___ electrons each
33.
Isosters and isoelectronic species are ___
34.
Isotopes have same chemical properties because ___
35.
Isoelectronic species have same number of ___
36.
In Thomson model, positive charge is ___
37.
Absorption spectrum consists of
38.
Emission spectrum of atoms in gaseous phase appears as
39.
Rutherford disproved Thomson because ___
40.
⁴⁰Ca and ⁴⁰Ar are ___
41.
Isotopes differ in ___
42.
Isoelectronic species must have same ___
43.
Absorption spectrum is formed when atoms
45.
Isobars differ in ___
