Advertisements
Advertisements
प्रश्न
Give the symbol and valency of the following element and radical.
Ammonium
Advertisements
उत्तर
| Element/Radical | Symbol | Valency |
| Ammonium | NH4 | one |
APPEARS IN
संबंधित प्रश्न
How does the tendency of elements to gain electrons change as we move from left to right in a period? State the reason of this change.
Name the scientist who prepared modern periodic table.
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
Helium and neon are unreactive gases. What, if anything, do their atoms have in common?
Name two elements in halogens.
What is meant in the periodic table by a period?
Define the atomic size.
The element with atomic number 14 is hard and forms acidic oxide and a covalent halide. To which of the following categories does the element belong?
The maximum number of electrons that can be accommodated in s, p,d, and f subshells are ______.
______ group elements are called alkaline earth metals.
