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
What are the atomic numbers of elements whose outermost electrons is represented by 3s1.
FILL IN THE BLANK
Atomic theory of matter was given by ..........................
The atomic number and mass number of sodium are 11 and 23 respectively. What information is conveyed by this statement?
Draw the orbital diagram of `""_20^40"Ca"^(2+)` ion and state the number of three fundamental particles present in it.
Match the atomic numbers 4,8,10,15 and 19 with the following:
Element with 6 valence electrons
‘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.
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.
Atomic number : ______ :: Mass number : Number of protons and neutrons.
The particles that make up the atom are called ______ particles.
K and L shells can accommodate a maximum of 2 and 8 electrons respectively.
