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If an atom of X element has a mass number of 90 and atomic number of 38, how many neutrons are in its nucleus?
2
Atomic number + Number of neutrons = Mass number
28, 50
52
110
s, p, and d
Positive
neutral
In the nucleus of an atom, there are 28 protons and 32 neutrons. What are the atomic number and mass number of this element?
2
Atomic number + Number of neutrons = Mass number
28, 50
52
110
s, p, and d
Positive
neutral
What is the relative charge of the nucleus of any atom?
2
Atomic number + Number of neutrons = Mass number
28, 50
52
110
s, p, and d
Positive
neutral
What is the maximum number of electrons that each orbital can hold?
2
Atomic number + Number of neutrons = Mass number
28, 50
52
110
s, p, and d
Positive
neutral
What is the relationship between the mass number and the atomic number?
2
Atomic number + Number of neutrons = Mass number
28, 50
52
110
s, p, and d
Positive
neutral
If an atom has 50 protons and 60 neutrons, what is its mass number?
2
Atomic number + Number of neutrons = Mass number
28, 50
52
110
s, p, and d
Positive
neutral
What are all the possible sub levels at 3rd energy level?
2
Atomic number + Number of neutrons = Mass number
28, 50
52
110
s, p, and d
Positive
neutral
What is the relative charge of a neutron of any atom?
2
Atomic number + Number of neutrons = Mass number
28, 50
52
110
s, p, and d
Positive
neutral
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