Advertisements
Advertisements
प्रश्न
Name the cation and the anion in the salt – calcium sulphate
Advertisements
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 | \[\ce{CaSO4}\] | \[\ce{Ca+}\] | \[\ce{SO4-}\] |
APPEARS IN
संबंधित प्रश्न
What is the name of those elements which divide metals and non-metals in the periodic table?
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)
Name the scientist who stated the modern periodic law.
An element E has following electronic configuration:
|
K |
L |
M |
|
2 |
8 |
6 |
(a) To which group of the periodic table does element E belong?
(b) To which period of the periodic table does element E belong?
(c) State the number of valence electrons present in element E.
(d) State the valency of the element E.
What is the number of elements in the 1st period?
State what is meant by the term chemical formula.
Give the chemical formula of sodium sulphite
The arrangement of elements in the Modem Periodic Table is based on their ______
Arrange the following elements in the increasing order of their metallic character
| Mg, | Ca, | K, | Ge, | Ga |
1H2 is an isotope of hydrogen. In the modern Periodic Table it will ______.
