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प्रश्न
How many atoms of each kind are present in the following molecules: calcium oxide, chlorine, water, carbon tetrachloride?
How many electrons are required by each atom mentioned in (a) to attain the nearest noble gas configuration?
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उत्तर
a.
CaO- 1 calcium atom + 1 oxygen atom
Cl2 - 2 chlorine atoms
H2O - 2 hydrogen atoms + 1 oxygen atom
CCl4 - 1 carbon atom + 4 chlorine atoms
b.
Ca - will donate two electrons
O - will accept two electrons
Cl - will accept one electron, so two Cl atoms will share an electron pair.
C - will accept four electrons by sharing electrons pairs with hydrogen forming covalent bonds.
H - will donate one electron by sharing an electron pair with carbon.
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संबंधित प्रश्न
Give electron dot diagram of the following:
Magnesium chloride
State the following is a reduction reaction or oxidation reaction.
\[\ce{Cu -> Cu^2+}\]
Explain fractional atomic mass. What is the fractional mass of chlorine?
Name the following:
Two atoms having the same number of protons and electrons but different number of neutrons.
Potassium (at No.19) and chlorine (at No.17) react to form a compound. Explain the formation of the compound on the basis of oxidation.
State the type of bond between Y and Z and give its molecular formula.
Give the orbital diagram of the following:
Nitrogen
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^23_11Na}\]
Complete the table give below.
| Element |
Atomic number |
Electron distribution | Valence electrons | Lewis dot structure |
| Lithium | 3 | 1s22s1 | ||
| Boron | 5 | 1s22s22p1 | ||
| Oxygen | 8 | 1s22s22p4 |
The one which is composed of all the three kinds of bond.[ionic, covalent and coordinate bond]
