Last Updated On [03-11-2023]
Which of the following is true?
a)
Diapositive zinc exhibits paramagnetism due to loss of two electrons from a 
orbital of neutral atom
b)
In 
-emission from a nucleus, the atomic number of the daughter element decreases by 1
c)
The emission of one 
-particle from a radioactive atom results in the decrease of atomic number by 2 and mass number by 4
d)
The successive emission of two 
-particles from a radioactive atom results in the decrease of atomic number by 1
Which of the following is true?
a)
Diapositive zinc exhibits paramagnetism due to loss of two electrons from a orbital of neutral atom
b)
In -emission from a nucleus, the atomic number of the daughter element decreases by 1
c)
The emission of one -particle from a radioactive atom results in the decrease of atomic number by 2 and mass number by 4
d)
The successive emission of two -particles from a radioactive atom results in the decrease of atomic number by 1
Question ID - 101544 :-
Which of the following is true?
a)
Diapositive zinc exhibits paramagnetism due to loss of two electrons from a orbital of neutral atom
b)
In -emission from a nucleus, the atomic number of the daughter element decreases by 1
c)
The emission of one -particle from a radioactive atom results in the decrease of atomic number by 2 and mass number by 4
d)
The successive emission of two -particles from a radioactive atom results in the decrease of atomic number by 1
|
Which of the following is true? |
|
|
a) |
Diapositive zinc exhibits paramagnetism due to loss of two electrons from a |
|
b) |
In |
|
c) |
The emission of one |
|
d) |
The successive emission of two |
(c)
1. False. The electronic configuration of
(atomic number 30) is 
. There are no unpaired electrons, hence, it is diamagnetic
2. False. In 
emission, the atomic number of daughter element is increased by 1, due to the basic conversion of neutron into proton in the nucleus
3. True. An 
-particle is 
. Hence, atomic number and mass number of daughter element are decreased by 2 and 4, respectively
4. False. There will occur an increase in atomic number by 2
Next Question :
|
The term nucleon refers to |
|
|
a) |
Electrons belonging to an atom that undergoes nuclear decay |
|
b) |
Electrons that are emitted from a nucleus in a nuclear reaction |
|
c) |
The nuclei of a specific isotope |
|
d) |
Both protons and neutrons |
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