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Question
State the type of bonding in the following molecules.
Calcium oxide
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Solution
Ionic bond
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RELATED QUESTIONS
How do atoms attain noble gas configuration?
Element X is a metal with a valency 2. Element Y is a non metal with a valency 3.
(a) Write equations to show how X and Y form ions.
(b) If Y is a diatomic gas, write the equation for the direct combination of X and Y to form a compound.
Name an element which does not contain neutron.
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 |
|
|
Potassium (at No.19) and chlorine (at No.17) react to form a compound. Explain the formation of the compound on the basis of oxidizing agent.
In the formation of magnesium chloride (by direct combination between magnesium and chlorine), name the substance that is oxidized and the substance that is reduced.
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^40_20Ca}\]
How many atoms of each kind are present in the following molecule:
Chlorine
How many electrons are required or released by each atom in water molecule to attain the nearest noble gas configuration?
The one which is composed of all the three kinds of bond.[ionic, covalent and coordinate bond]
