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प्रश्न
Name an element which does not contain neutron.
उत्तर
Hydrogen does not contain any neutron.
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संबंधित प्रश्न
Give electron dot diagram of the following:
Magnesium chloride
What is an α (alpha) particle?
Define the term:
orbit
Explain the following:
Carbon-12 and carbon-14 both show similar chemical properties.
Identify the following reaction as either oxidation or reduction:
K - e- → K+
Complete the table give below.
| Element |
Atomic number |
Electron distribution | Valence electrons | Lewis dot structure |
| Lithium | 3 | 1s22s1 | ||
| Boron | 5 | 1s22s22p1 | ||
| Oxygen | 8 | 1s22s22p4 |
An atom X with atomic number 20 combines with atom Y with atomic number 8. Draw the dot structure for the formation of the molecule XY.
______ theory explains the formation of molecules.
How many atoms of each kind are present in the following molecule:
carbon tetrachloride
How many electrons are required or released by each atom in chlorine to attain the nearest noble gas configuration?
