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प्रश्न
A Compound 'X' consists of only molecules. Hence 'X' will have
पर्याय
a Crystalline hard structure
A low melting point and low boiling point
An ionic bond
A strong force of attraction between its molecules
उत्तर
A Compound 'X' consists of only molecules. Hence 'X' will have a low melting point and low boiling point.
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संबंधित प्रश्न
Fill in the blank.
___________ single covalent bonds are formed between the carbon and chlorine atoms.
How many electrons are required or released by each atom in calcium oxide to attain the nearest noble gas configuration?
Match the atomic numbers 4, 14, 8, 15 and 19 with each of the following:
- A solid non-metal of valency 3.
- A gas of valency 2.
- A metal of valency 1.
- A non-metal of valency 4.
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
Draw orbit structure diagram of calcium oxide (CaO).
Give the orbital diagram of the following:
Nitrogen
State the type of bonding in the following molecules.
Water,
Identify the following reaction as either oxidation or reduction:
O + 2e- → O2-
Draw the electron distribution diagram for the formation of Carbon di oxide (CO2 ) molecule.
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is a metal.
