Advertisements
Advertisements
प्रश्न
Draw the atomic diagram of the following element showing the distribution of – protons, neutrons and the electrons in the various shell of the atom.
Phosphorus – \[\ce{^31_15P}\]
[The upper number represent the – mass number and the lower number represent the – atomic number e.g. calcium – mass number = 40, atomic number = 20]
Advertisements
उत्तर
Phosphorus – \[\ce{^31_15P}\]
Atomic number Z = p = e = 15
Mass number A = p + n
31 = 15 + n
∴ n = 31 − 15 = 16
P
15 = 2, 8, 5
(K, L, M)
APPEARS IN
संबंधित प्रश्न
The composition of the nuclei of two atomic species X and Y are given as under
| X | Y | |
| Protons | 6 | 6 |
| Neutrons | 6 | 8 |
Give the mass numbers of X and Y. What is the relation between the two species?
Give the following a suitable word/phrase.
Atoms of same element with same atomic number but a different mass number.
Fill in the Blank of the Following Statement :
An atom has atomic mass number 23 and atomic number 11. The atom has .................... electrons.
The mass number of an element is 23 and it contains 11 electrons. What is the number of protons and neutrons in it? What is the atomic number of the element?
From the symbol `""_15^31"P"`, state : atomic number of phosphorus
Match the atomic numbers 4,8,10,15 and 19 with the following:
Element with four shells
The diagram represents an isotope of hydrogen [H]. Answer the following:

Atomic no. = 1
Mass no. = 1
Which sub-atomic particles in the 3 isotopes of ‘H’ are the same.
What is mass number of an atom?
‘Z’ is denoted by ______.
In which one of the following, the number of protons is greater than the number of neutrons but number of protons is less than the number of electrons?
