Advertisements
Advertisements
Question
Identify the Mg2+ ion from the Fig. where, n and p represent the number of neutrons and protons respectively
Options
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
Compare the properties of electrons, protons and neutrons.
The mass of an electron is about `1/2000` times that of proton.
Name the element which does not contain any neutrons in its nucleus.
State the number of neutrons in each of the atoms A to E. Also state which of the atoms A to E is a metal.
Calculate the number of neutrons, protons and electrons:
- atomic number 3 and mass number 7
- atomic number 92 and mass number 238.
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"`
James Chadwick discovered the fundamental particle called proton.
Which subatomic particles have no charge?
α, β, γ rays are during the ratio active decay ______ of an atom.