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प्रश्न
Define the term:
orbit
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उत्तर
Orbit is a circular path around the nucleus in which electrons of the atom revolve.
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संबंधित प्रश्न
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is a non-metal.
Give electron dot diagram of the following:
Magnesium chloride
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 questions based on the table above:
What is the formula of the compound formed between X and Z.
Draw orbit structure diagram of calcium oxide (CaO).
Compare :
Sodium atom and sodium ion
Give the orbital diagram of the following:
Hydrogen chloride
Element M forms a chloride with the formula MCl2 which is solid with a high melting point. What type of bond is in MCl2. Write the formula of the compound when M combines with sulphur, oxygen, and nitrogen.
Identify the following reaction as either oxidation or reduction:
Fe3+ + e- → Fe2+
Complete the table give below.
| Element |
Atomic number |
Electron distribution | Valence electrons | Lewis dot structure |
| Lithium | 3 | 1s22s1 | ||
| Boron | 5 | 1s22s22p1 | ||
| Oxygen | 8 | 1s22s22p4 |
How many atoms of each kind are present in the following molecule:
water
