Advertisements
Advertisements
Question
Identify the Mg2+ ion from the Fig. where, n and p represent the number of neutrons and protons respectively
Options
Advertisements
Solution
Explanation -
In magnesium atom `""_12^24"Mg"`
Number of n = 12, p = 12, e = 12
Number of electrons in Mg2+ = 10
APPEARS IN
RELATED QUESTIONS
Name the three sub-atomic particles of an atom.
Helium atom has an atomic mass of 4 u and two protons in its nucleus. How many neutrons does it have?
A neutron is formed by an electron and a proton combining together. Therefore, it is neutral.
Which subatomic particle was discovered by : Chadwick ?
What is a neutron? State its relative mass and charge.
Name the element which does not contain any neutrons in its nucleus.
On the basis of Rutherford’s model of an atom, which subatomic particle is present in the nucleus of an atom?
Calculate the number of neutrons present in the nucleus of an element X which is represented as `""_15^31"X"`
α, β, γ rays are during the ratio active decay ______ of an atom.
Beryllium + α – rays → Carbon + ______.
