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प्रश्न
Mention the basic tendency of an atom which makes it to combine with other atoms.
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उत्तर
An atom's fundamental tendency is to achieve the Duplet or Octet Configuration, which is the Minimum State of Energy.
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संबंधित प्रश्न
Match the atomic number 4, 8, 14, 15 and 19 with each of the following:
(a) A solid non-metal of valelncy 3.
(b) A gas of valency 2.
(c) A metal of valency 1.
(d) A non-metal of valency 4
Give electron dot diagram of the following:
nitrogen
Separate the following compounds into three categories - ionic, polar and covalent compounds; N2, NH4Cl, NH3, NO, NH4NO3, NCl3.
What is an α (alpha) particle?
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
Name the following:
Two atoms having the same number of protons and electrons but different number of neutrons.
Give a reason
Physical properties of isotopes are different.
Identify the following reaction as either oxidation or reduction:
K - e- → K+
Number of valence electrons in carbon is ______.
Spot the error/correct the wrong statement:
In the formation of compounds, the inner shell electrons of an atom involved in bonding.
