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प्रश्न
Match the atomic numbers 4,8,10,15 and 19 with each of the following:
An element which does not form ion
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उत्तर
Atomic number 10
Electronic configuration (10): 2,8
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संबंधित प्रश्न
Fill in the blank of the following statement :
The total number of protons and neutrons in the nucleus of an atom is called its _________.
Fill in the blank of the following statement :
All the mass of an atom is concentrated in a small region of space called the ___________.
Fill in the following blanks in respect of an atom of an element
| No. of protons | No. of neutron | Mass number | Atomic number | No. of electrons | Symbol |
| 11 | 12 | ___________ | ___________ | ___________ | ________ |
From the symbol `""_15^31"P"`, state : atomic number of phosphorus
From the symbol `""_12^24"Mg"`
, state the mass number, the atomic number and electronic configuration of magnesium.
Draw the atomic diagram of the following element showing the distribution of – protons, neutrons and the electrons in the various shell of the atom.
Argon – \[\ce{^40_18Ar}\]
[The upper number represent the – mass number and the lower number represent the – atomic number e.g. calcium – mass number = 40, atomic number = 20]
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]
Draw the structure of the following atoms showing the nucleus containing – protons, neutrons and the orbits with the respective electron:
Sodium [At. no. = 11, Mass no. = 23]
The particles that make up the atom are called ______ particles.
Mass No =______ + No. of Neutrons.
