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प्रश्न
Elements X, Y, and Z have atomic numbers 6, 9 and 12 respectively. Which one forms a cation?
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उत्तर
Z = 12 i.e (2, 8, 2)
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संबंधित प्रश्न
State differences between the properties of ionic compounds and covalent compounds.
The following table shows the electronic configuration of the elements W, X, Y, Z:
|
Element |
W |
X |
Y |
Z |
|
Electronic |
2, 8, 1 |
2, 8, 7 |
2, 5 |
1 |
Answer the following question based on the table above:
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Complete the following table relating to the atomic structure of some elements.
|
Element Symbol |
Atomic Number |
Mass Number |
Numbers of neutrons |
Number of Electrons |
Number of Protons |
|
Li |
3 |
6 |
|
|
|
|
Cl |
17 |
|
20 |
|
|
|
Na |
|
|
12 |
|
11 |
|
Al |
|
27 |
|
|
13 |
|
S |
|
32 |
16 |
|
|
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\[\ce{^40_20Ca}\]
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