If an element having 2 proton ,2 neutrons in its nucleus
Subject : Physics
Question:
If an element having 2 proton ,2 neutrons in its nucleus the find out
A) atomic no.
B) mass no.
Expert Verified Solution:
The Correct Answer:
The atomic number is 2.
The mass number is 4.
Description:
1. Atomic Number: The atomic number of an element is determined by the number of protons in its nucleus. For this element, the atomic number is 2. This is because the atomic number is always equal to the number of protons, which defines the element and its position on the periodic table.
2. Mass Number: The mass number of an element is the total number of protons and neutrons in its nucleus. In this case, with 2 protons and 2 neutrons, the mass number is 4 (2 protons + 2 neutrons = 4).
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