Advertisements
Advertisements
प्रश्न
Draw the structure of the following atoms showing the nucleus containing – protons, neutrons and the orbits with the respective electron:
Isotopes of hydrogen [11H, 21H, 31H]
Advertisements
उत्तर
Structure of atoms:

\[\ce{^2_1H}\]

\[\ce{^3_1H}\]

Z is Atomic Number and A is the mass number
Isotopes of hydrogen \[\ce{^1_1H}\]
Z = 1 = p = e
∴ e = 1
A = p + n
1 = 1 + n
∴ n = 1 − 1 = 0
APPEARS IN
संबंधित प्रश्न
Sulphur has an atomic number 16 and a mass of 32.
State the number of protons and neutrons in the nucleus of sulphur. Give a simple diagram to show the arrangement of electrons in an atom of sulphur.
What are orbits or shells of an atom?
Draw the atomic diagram of the following element showing the distribution of – protons, neutrons and the electrons in the various shell of the atom.
Calcium – \[\ce{^40_20Ca}\]
[The upper number represent the – mass number and the lower number represent the – atomic number e.g. calcium – mass number = 40, atomic number = 20]
‘Valency is the number of hydrogen atoms which can combine with [or displace] one atom of the element [or radical] forming a compound’. With reference to the above definition of valency, state the valency of chlorine in hydrogen chloride, giving reasons.
Draw the structure of the following atoms showing the nucleus containing – protons, neutrons and the orbits with the respective electron:
Carbon [At. no. = 6, Mass no. = 12]
Every atom has an equal number of protons and electrons. The nature of the atom is ______.
The Atomic number of an element is 20. It has ______ valence electrons.
The elementary particles such as protons and neutrons are collectively called ______.
Mass No =______ + No. of Neutrons.
An element has 2 electrons in its N shell.
What is its atomic number?
