Advertisements
Advertisements
Question
Give the symbol and valency of the following element and radical.
Aluminium
Advertisements
Solution
| Element/Radical | Symbol | Valency |
| Aluminium | Al | three |
APPEARS IN
RELATED QUESTIONS
How were the positions of cobalt and nickel resolved in the modern periodic table?
Give alongside is a part of the periodic table :
As we move horizontally from left to right:
| Li | Be | B | C | N | O | F | |
| Na | Mg | Al | Si | P | S | Cl |
(i) What happens to the metallic character of the elements?
(ii) What happens to the atomic size?
Correct the statement.
Copper and zinc are representative elements.
What do you understand by typical elements?
The electronic configuration of an element T is 2, 8, 8, 1.
What is the period number of T?
Give the symbol and valency of the following element and radical.
Ammonium
How were elements arranged in the long form of the periodic table or the Modern Periodic Table?
Complete the following flow chart.

Define groups of modern periodic table.
Answer the following in respect of element \[\ce{_16^32S}\].
Give its formula with hydrogen.
