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प्रश्न
Name the following:
The shell closest to the nucleus of an atom
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उत्तर १
K
उत्तर २
The shell nearest to the nucleus i.e. shell 1 or K can have a maximum of 2 electrons. It has a minimum amount of energy
संबंधित प्रश्न
Five atoms are labelled from 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 an electronic configuration 2, 7?
(b) Write down the formula of the compound formed between C and D.
(c) predict which are: (i) metals, (ii) non-metals?
What type of bond is formed between two atoms, when the electronegative difference between them is High ?
Fill in the blanks.
The electrovalent bond or ionic bond is called as _____ bond
Among the following compounds identify the compound that has all three bonds (ionic, covalent and coordinate bond).
How are X-rays produced?
What do you think would be the observation of `alpha` particle scattering experiment if carried out on (i) heavy nucleus like platinum (ii) light nuclei like litheum.
How does the Modern atomic theory contradict and correlate with Dalton's atomic theory?
Draw orbit structure diagram of calcium oxide (CaO).
Why are Noble gases inert in nature?
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is chemically inert.
