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प्रश्न
Name the cation and the anion in the salt – calcium sulphate
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उत्तर
In salt the positive and negative parts exist as ions.
- The positively charged ions are called – cations. Na1+
- The negatively charged ions are called – anions. NO31−
| Name of compound | Formula | Cation | Anion |
| Calcium sulphate | \[\ce{CaSO4}\] | \[\ce{Ca+}\] | \[\ce{SO4-}\] |
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संबंधित प्रश्न
Why do all the elements of the same group have similar properties?
The atomic numbers of four elements P, Q, R and S are 6, 8, 14 and 16 respectively. Out of these, the element known as metalloid is:
(a) P
(b) Q
(c) R
(d) S
Explain why All the elements of a period have different chemical properties.
Which of the following are the correct characteristics of isotopes of an element?
(i) same atomic mass
(ii) same atomic number
(iii) same physical properties
(iv) same chemical properties
(a) (i), (ii) and (iv)
(b) (ii), (iii) and (iv)
(c) (ii) and (iii)
(d) (ii) and (iv)
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Give its electronic configuration
Write a short note.
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Give the symbol and valency of the following element and radical.
Potassium
p-block is composed of groups 1 and 2.
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