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.
Carbon – \[\ce{^12_6C}\]
[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
Carbon – \[\ce{^12_6C}\]
Mass number A = p + n = 12
6 + n = 12
∴ n = 12 − 6 = 6
e = p = Atomic number = 6
C
6 = 2, 4
(K, L)
APPEARS IN
संबंधित प्रश्न
Multiple Choice Questions
The sub atomic particle with negative charge is
What are the two main features of Rutherford’s atomic model?
The number of electrons in the atom of an element X is 15 and the number of neutrons is 16. Which of the following is the correct representation of an atom of this element ?
From the symbol `""_2^4"He"` for the element helium, write down the mass number and the atomic number of the element.
What are orbits or shells of an atom?
Draw the structure of the following atoms showing the nucleus containing – protons, neutrons and the orbits with the respective electron:
Lithium [At. no. = 3, Mass no. = 7]
What is a neutron?
The elementary particles such as protons and neutrons are collectively called ______.
Match the following:
| Column A | Column B | ||
| 1. | Mass of proton | a. | +1 |
| 2. | Mass of electron | b. | -1 |
| 3. | Charge of electron | c. | 9.31 x 10-28g |
| 4. | Charge of proton | d. | 1.67 x 10-24g |
What are the letters A, Z, and X stand for?
