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प्रश्न
Explain the following:
Carbon-12 and carbon-14 both show similar chemical properties.
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उत्तर
Carbon-12 and carbon-14 are isotopes of carbon. They have the same atomic number (6) and hence the same electronic configuration. Chemical properties are determined by the electronic configuration of an atom. So, carbon-12 and carbon-14 show similar chemical properties.
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संबंधित प्रश्न
Complete the following:
| Sodium | Phosphorus | Carbon | |
| Formula of chloride | |||
| Nature of bonding | |||
| Physical state of chloride |
Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)
Sodium chloride is ______ compound while hydrogen chloride is ______ compound.
Fill in the blank.
___________ single covalent bonds are formed between the carbon and chlorine atoms.
Element X is a metal with a valency 2; Y is a non-metal with a valency 3.
(a) Write an equation to show how Y forms as ion
(b) If Y is a diatomic gas, write an equation for the direct combination of X and Y to form a compound.
Elements X, Y, and Z have atomic numbers 6, 9 and 12 respectively. Which one :
State type of bond between Y and Z and give its molecular formula.
Write the formula of its (X)
sulphate
nitrate
phosphate
carbonate
hydroxide.
An element M burns in oxygen to form an ionic compound MO. Write the formula of the compounds formed if this element is made to continue with chlorine and sulfur separately.
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.
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is chemically inert.
Elements A, B and C have atomic number 17, 19 and 10 respectively.
Write down the formula of the compound formed by two of the above elements.
