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प्रश्न
An atom X with atomic number 20 combines with atom Y with atomic number 8. Draw the dot structure for the formation of the molecule XY.
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उत्तर
Atom X is Calcium with atomic number 20 and atom Y is Oxygen with atomic number 8.
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संबंधित प्रश्न
Mention the basic tendency of an atom which makes it to combine with other atoms.
Give electron dot diagram of the following:
Magnesium chloride
Explain the following briefly:
Helium does not form He2 molecule
What do you think would be the observation of `alpha` particle scattering experiment if carried out on (i) heavy nucleus like platinum (ii) light nuclei like litheum.
Define the term:
orbit
Five atoms are labeled A to E
|
Atoms |
Mass No |
Atomic No. |
|
A |
40 |
20 |
|
B |
19 |
9 |
|
C |
7 |
3 |
|
D |
16 |
8 |
|
E |
14 |
7 |
(a) Which one of these atoms:
(i) contains 7 protons
(ii) has electronic configuration 2,7
(b) Write down the formula in the compound formed between C and D
(c) Predict : (i) metals (ii) non-metals
Give a reason
Physical properties of isotopes are different.
Write down the electronic configuration of
(i) chlorine atom (ii) chlorine ion
Give the orbital diagram of the following:
Methane
How many atoms of each kind are present in the following molecule:
carbon tetrachloride
