Chemistry-
General
Easy
Question
The line spectrum of two elements is not identical because
- They do not have same number of neutrons
- They have dissimilar mass number
- They have different energy level schemes
- They have different number of valence electrons
The correct answer is: They have different energy level schemes
Related Questions to study
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How many electrons in an atom with atomic number 105 can have 
How many electrons in an atom with atomic number 105 can have 
Chemistry-General
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where z is a complex number, then the value of 
where z is a complex number, then the value of 
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The area of the region bounded by the curve y=f(x), x-axis and the ordinates x=a, x=b (a>b) is
For such questions, we should be careful about the limits on variable.
The area of the region bounded by the curve y=f(x), x-axis and the ordinates x=a, x=b (a>b) is
Maths-General
For such questions, we should be careful about the limits on variable.
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The number of solutions of the equation
sin 2x = [1 + sin 2x] + [1 cos 2x] in
where [.] is the greatest
integer function is
The number of solutions of the equation
sin 2x = [1 + sin 2x] + [1 cos 2x] in
where [.] is the greatest
integer function is
Maths-General
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If
, then
If
, then
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Number of solutions of the equation Sin x + sin2x + sin3 x + sin4x + ……. Π= 2 where x Π[0,4Π], is
Number of solutions of the equation Sin x + sin2x + sin3 x + sin4x + ……. Π= 2 where x Π[0,4Π], is
Maths-General
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The number of real solutions of the equation
is
The number of real solutions of the equation
is
Maths-General
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For which of the following values of m is the area of the region bounded by the curve y =x -
and the line y = mx equal to 9/2…
For which of the following values of m is the area of the region bounded by the curve y =x -
and the line y = mx equal to 9/2…
Maths-General