According to Rutherford's atomic model, each type of atom is made up of nuclei and surrounded by electron clouds.
Is the above statement true?
Which atom structure is correct?
(A)
(B)
(C)
Source: SPM 2017
The diagram shows how to write notation for an element.
The number of neutrons can be obtained by using the formula \(\underline {\hspace {3.5cm}}\).
(A) \(A - Z\)
(B) \(A + Z\)
(C) \(A \times Z\)
(D) \(\dfrac {A}{Z}\)
What is the number of protons and neutrons in the nuclide \(^{18}_8 X\)?
Proton
Neutron
\(10\)
\(8\)
\(18\)
(D)
Which of the following statements is true about the nuclides \(^{23}_{11} {X}\) and \(^{24}_{12} {Y}\)?
\(X\) and \(Y\) have the same nucleon number
\(X\) and \(Y\) have the same number of neutrons
\(X\) and \(Y\) are isotopes of the same element
\(X\) and \(Y\) have the same charge in their nucleus
There is something wrong with this question.
